Home / 1,060.22-1,587.13-571.79

Finding the Fourth Proportional to 1,060.22, 1,587.13 and 571.79

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Solution

The fourth proportional to 1,060.22, 1,587.13 and 571.79 is: 855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.22 : 1,587.13 = 571.79 : x
  2. Step 2: Convert to fraction form
    1,060.22/1,587.13 = 571.79/x
  3. Step 3: Cross multiply
    1,060.22x = 1,587.13 × 571.79
  4. Step 4: Simplify right side
    1,060.22x = 907,507.60
  5. Step 5: Solve for x
    x = 907,507.60/1,060.22
  6. Step 6: Final answer
    x = 855.96

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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.