Home / 1,572.06-2,357.10-531.78

Finding the Fourth Proportional to 1,572.06, 2,357.10 and 531.78

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Solution

The fourth proportional to 1,572.06, 2,357.10 and 531.78 is: 797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.06 : 2,357.10 = 531.78 : x
  2. Step 2: Convert to fraction form
    1,572.06/2,357.10 = 531.78/x
  3. Step 3: Cross multiply
    1,572.06x = 2,357.10 × 531.78
  4. Step 4: Simplify right side
    1,572.06x = 1,253,458.64
  5. Step 5: Solve for x
    x = 1,253,458.64/1,572.06
  6. Step 6: Final answer
    x = 797.34

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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.