Home / 3,006.47-4,507.92-1,445.15

Finding the Fourth Proportional to 3,006.47, 4,507.92 and 1,445.15

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Solution

The fourth proportional to 3,006.47, 4,507.92 and 1,445.15 is: 2,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.47 : 4,507.92 = 1,445.15 : x
  2. Step 2: Convert to fraction form
    3,006.47/4,507.92 = 1,445.15/x
  3. Step 3: Cross multiply
    3,006.47x = 4,507.92 × 1,445.15
  4. Step 4: Simplify right side
    3,006.47x = 6,514,631.86
  5. Step 5: Solve for x
    x = 6,514,631.86/3,006.47
  6. Step 6: Final answer
    x = 2,166.87

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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.