Home / 1,528.59-2,292.90-374.34

Finding the Fourth Proportional to 1,528.59, 2,292.90 and 374.34

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Solution

The fourth proportional to 1,528.59, 2,292.90 and 374.34 is: 561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.59 : 2,292.90 = 374.34 : x
  2. Step 2: Convert to fraction form
    1,528.59/2,292.90 = 374.34/x
  3. Step 3: Cross multiply
    1,528.59x = 2,292.90 × 374.34
  4. Step 4: Simplify right side
    1,528.59x = 858,331.38
  5. Step 5: Solve for x
    x = 858,331.38/1,528.59
  6. Step 6: Final answer
    x = 561.52

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.