Home / 1,534.76-2,115.46-1,068.20

Finding the Fourth Proportional to 1,534.76, 2,115.46 and 1,068.20

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Solution

The fourth proportional to 1,534.76, 2,115.46 and 1,068.20 is: 1,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.76 : 2,115.46 = 1,068.20 : x
  2. Step 2: Convert to fraction form
    1,534.76/2,115.46 = 1,068.20/x
  3. Step 3: Cross multiply
    1,534.76x = 2,115.46 × 1,068.20
  4. Step 4: Simplify right side
    1,534.76x = 2,259,734.37
  5. Step 5: Solve for x
    x = 2,259,734.37/1,534.76
  6. Step 6: Final answer
    x = 1,472.37

Related Problems

Find fourth proportional to 767.38, 1,057.73 and 534.10
Half scale
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Double scale
Find fourth proportional to 1,535.76, 2,116.84 and 1,069.20
Similar ratio
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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.