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Finding the Fourth Proportional to 1,599.90, 2,208.51 and 1,010.76

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Solution

The fourth proportional to 1,599.90, 2,208.51 and 1,010.76 is: 1,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.90 : 2,208.51 = 1,010.76 : x
  2. Step 2: Convert to fraction form
    1,599.90/2,208.51 = 1,010.76/x
  3. Step 3: Cross multiply
    1,599.90x = 2,208.51 × 1,010.76
  4. Step 4: Simplify right side
    1,599.90x = 2,232,273.57
  5. Step 5: Solve for x
    x = 2,232,273.57/1,599.90
  6. Step 6: Final answer
    x = 1,395.26

Related Problems

Find fourth proportional to 799.95, 1,104.26 and 505.38
Half scale
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Double scale
Find fourth proportional to 1,600.90, 2,209.89 and 1,011.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.