Home / 2,948.85-4,423.17-757.59

Finding the Fourth Proportional to 2,948.85, 4,423.17 and 757.59

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Solution

The fourth proportional to 2,948.85, 4,423.17 and 757.59 is: 1,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.85 : 4,423.17 = 757.59 : x
  2. Step 2: Convert to fraction form
    2,948.85/4,423.17 = 757.59/x
  3. Step 3: Cross multiply
    2,948.85x = 4,423.17 × 757.59
  4. Step 4: Simplify right side
    2,948.85x = 3,350,949.36
  5. Step 5: Solve for x
    x = 3,350,949.36/2,948.85
  6. Step 6: Final answer
    x = 1,136.36

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1.5x scale

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.