Home / 1,569.13-2,353.20-528.85

Finding the Fourth Proportional to 1,569.13, 2,353.20 and 528.85

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Solution

The fourth proportional to 1,569.13, 2,353.20 and 528.85 is: 793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.13 : 2,353.20 = 528.85 : x
  2. Step 2: Convert to fraction form
    1,569.13/2,353.20 = 528.85/x
  3. Step 3: Cross multiply
    1,569.13x = 2,353.20 × 528.85
  4. Step 4: Simplify right side
    1,569.13x = 1,244,489.82
  5. Step 5: Solve for x
    x = 1,244,489.82/1,569.13
  6. Step 6: Final answer
    x = 793.11

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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.