Home / 3,737.20-5,624.80-2,817.40

Finding the Fourth Proportional to 3,737.20, 5,624.80 and 2,817.40

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Solution

The fourth proportional to 3,737.20, 5,624.80 and 2,817.40 is: 4,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.20 : 5,624.80 = 2,817.40 : x
  2. Step 2: Convert to fraction form
    3,737.20/5,624.80 = 2,817.40/x
  3. Step 3: Cross multiply
    3,737.20x = 5,624.80 × 2,817.40
  4. Step 4: Simplify right side
    3,737.20x = 15,847,311.52
  5. Step 5: Solve for x
    x = 15,847,311.52/3,737.20
  6. Step 6: Final answer
    x = 4,240.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.