Home / 1,587.26-2,379.15-546.27

Finding the Fourth Proportional to 1,587.26, 2,379.15 and 546.27

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Solution

The fourth proportional to 1,587.26, 2,379.15 and 546.27 is: 818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.26 : 2,379.15 = 546.27 : x
  2. Step 2: Convert to fraction form
    1,587.26/2,379.15 = 546.27/x
  3. Step 3: Cross multiply
    1,587.26x = 2,379.15 × 546.27
  4. Step 4: Simplify right side
    1,587.26x = 1,299,658.27
  5. Step 5: Solve for x
    x = 1,299,658.27/1,587.26
  6. Step 6: Final answer
    x = 818.81

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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.