Home / 3,760.66-5,184.28-2,638.11

Finding the Fourth Proportional to 3,760.66, 5,184.28 and 2,638.11

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Solution

The fourth proportional to 3,760.66, 5,184.28 and 2,638.11 is: 3,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.66 : 5,184.28 = 2,638.11 : x
  2. Step 2: Convert to fraction form
    3,760.66/5,184.28 = 2,638.11/x
  3. Step 3: Cross multiply
    3,760.66x = 5,184.28 × 2,638.11
  4. Step 4: Simplify right side
    3,760.66x = 13,676,700.91
  5. Step 5: Solve for x
    x = 13,676,700.91/3,760.66
  6. Step 6: Final answer
    x = 3,636.78

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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.