Home / 3,377.47-5,068.94-1,431.04

Finding the Fourth Proportional to 3,377.47, 5,068.94 and 1,431.04

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Solution

The fourth proportional to 3,377.47, 5,068.94 and 1,431.04 is: 2,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.47 : 5,068.94 = 1,431.04 : x
  2. Step 2: Convert to fraction form
    3,377.47/5,068.94 = 1,431.04/x
  3. Step 3: Cross multiply
    3,377.47x = 5,068.94 × 1,431.04
  4. Step 4: Simplify right side
    3,377.47x = 7,253,855.90
  5. Step 5: Solve for x
    x = 7,253,855.90/3,377.47
  6. Step 6: Final answer
    x = 2,147.72

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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.