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Finding the Fourth Proportional to 2,010.68, 2,774.20 and 1,264.60

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Solution

The fourth proportional to 2,010.68, 2,774.20 and 1,264.60 is: 1,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.68 : 2,774.20 = 1,264.60 : x
  2. Step 2: Convert to fraction form
    2,010.68/2,774.20 = 1,264.60/x
  3. Step 3: Cross multiply
    2,010.68x = 2,774.20 × 1,264.60
  4. Step 4: Simplify right side
    2,010.68x = 3,508,253.32
  5. Step 5: Solve for x
    x = 3,508,253.32/2,010.68
  6. Step 6: Final answer
    x = 1,744.81

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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.