Home / 3,139.49-4,711.14-1,166.57

Finding the Fourth Proportional to 3,139.49, 4,711.14 and 1,166.57

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Solution

The fourth proportional to 3,139.49, 4,711.14 and 1,166.57 is: 1,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.49 : 4,711.14 = 1,166.57 : x
  2. Step 2: Convert to fraction form
    3,139.49/4,711.14 = 1,166.57/x
  3. Step 3: Cross multiply
    3,139.49x = 4,711.14 × 1,166.57
  4. Step 4: Simplify right side
    3,139.49x = 5,495,851.03
  5. Step 5: Solve for x
    x = 5,495,851.03/3,139.49
  6. Step 6: Final answer
    x = 1,750.56

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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.