Home / 3,137.39-4,706.31-1,057.38

Finding the Fourth Proportional to 3,137.39, 4,706.31 and 1,057.38

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Solution

The fourth proportional to 3,137.39, 4,706.31 and 1,057.38 is: 1,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.39 : 4,706.31 = 1,057.38 : x
  2. Step 2: Convert to fraction form
    3,137.39/4,706.31 = 1,057.38/x
  3. Step 3: Cross multiply
    3,137.39x = 4,706.31 × 1,057.38
  4. Step 4: Simplify right side
    3,137.39x = 4,976,358.07
  5. Step 5: Solve for x
    x = 4,976,358.07/3,137.39
  6. Step 6: Final answer
    x = 1,586.15

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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.