Home / 3,520.83-4,847.90-3,127.17

Finding the Fourth Proportional to 3,520.83, 4,847.90 and 3,127.17

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Solution

The fourth proportional to 3,520.83, 4,847.90 and 3,127.17 is: 4,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.83 : 4,847.90 = 3,127.17 : x
  2. Step 2: Convert to fraction form
    3,520.83/4,847.90 = 3,127.17/x
  3. Step 3: Cross multiply
    3,520.83x = 4,847.90 × 3,127.17
  4. Step 4: Simplify right side
    3,520.83x = 15,160,191.81
  5. Step 5: Solve for x
    x = 15,160,191.81/3,520.83
  6. Step 6: Final answer
    x = 4,305.86

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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.