Home / 3,355.50-4,614.90-2,691.30

Finding the Fourth Proportional to 3,355.50, 4,614.90 and 2,691.30

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Solution

The fourth proportional to 3,355.50, 4,614.90 and 2,691.30 is: 3,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.50 : 4,614.90 = 2,691.30 : x
  2. Step 2: Convert to fraction form
    3,355.50/4,614.90 = 2,691.30/x
  3. Step 3: Cross multiply
    3,355.50x = 4,614.90 × 2,691.30
  4. Step 4: Simplify right side
    3,355.50x = 12,420,080.37
  5. Step 5: Solve for x
    x = 12,420,080.37/3,355.50
  6. Step 6: Final answer
    x = 3,701.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.