Home / 3,712.20-5,122.84-2,033.62

Finding the Fourth Proportional to 3,712.20, 5,122.84 and 2,033.62

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Solution

The fourth proportional to 3,712.20, 5,122.84 and 2,033.62 is: 2,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.20 : 5,122.84 = 2,033.62 : x
  2. Step 2: Convert to fraction form
    3,712.20/5,122.84 = 2,033.62/x
  3. Step 3: Cross multiply
    3,712.20x = 5,122.84 × 2,033.62
  4. Step 4: Simplify right side
    3,712.20x = 10,417,909.88
  5. Step 5: Solve for x
    x = 10,417,909.88/3,712.20
  6. Step 6: Final answer
    x = 2,806.40

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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.