Home / 3,149.43-4,724.71-1,299.53

Finding the Fourth Proportional to 3,149.43, 4,724.71 and 1,299.53

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Solution

The fourth proportional to 3,149.43, 4,724.71 and 1,299.53 is: 1,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.43 : 4,724.71 = 1,299.53 : x
  2. Step 2: Convert to fraction form
    3,149.43/4,724.71 = 1,299.53/x
  3. Step 3: Cross multiply
    3,149.43x = 4,724.71 × 1,299.53
  4. Step 4: Simplify right side
    3,149.43x = 6,139,915.82
  5. Step 5: Solve for x
    x = 6,139,915.82/3,149.43
  6. Step 6: Final answer
    x = 1,949.53

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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.