Home / 3,747.45-5,620.10-1,114.85

Finding the Fourth Proportional to 3,747.45, 5,620.10 and 1,114.85

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Solution

The fourth proportional to 3,747.45, 5,620.10 and 1,114.85 is: 1,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.45 : 5,620.10 = 1,114.85 : x
  2. Step 2: Convert to fraction form
    3,747.45/5,620.10 = 1,114.85/x
  3. Step 3: Cross multiply
    3,747.45x = 5,620.10 × 1,114.85
  4. Step 4: Simplify right side
    3,747.45x = 6,265,543.17
  5. Step 5: Solve for x
    x = 6,265,543.17/3,747.45
  6. Step 6: Final answer
    x = 1,671.95

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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.