Home / 3,761.18-5,638.91-2,280.09

Finding the Fourth Proportional to 3,761.18, 5,638.91 and 2,280.09

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Solution

The fourth proportional to 3,761.18, 5,638.91 and 2,280.09 is: 3,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.18 : 5,638.91 = 2,280.09 : x
  2. Step 2: Convert to fraction form
    3,761.18/5,638.91 = 2,280.09/x
  3. Step 3: Cross multiply
    3,761.18x = 5,638.91 × 2,280.09
  4. Step 4: Simplify right side
    3,761.18x = 12,857,210.90
  5. Step 5: Solve for x
    x = 12,857,210.90/3,761.18
  6. Step 6: Final answer
    x = 3,418.40

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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.