Home / 1,529.23-2,293.50-433.30

Finding the Fourth Proportional to 1,529.23, 2,293.50 and 433.30

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Solution

The fourth proportional to 1,529.23, 2,293.50 and 433.30 is: 649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.23 : 2,293.50 = 433.30 : x
  2. Step 2: Convert to fraction form
    1,529.23/2,293.50 = 433.30/x
  3. Step 3: Cross multiply
    1,529.23x = 2,293.50 × 433.30
  4. Step 4: Simplify right side
    1,529.23x = 993,773.55
  5. Step 5: Solve for x
    x = 993,773.55/1,529.23
  6. Step 6: Final answer
    x = 649.85

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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.