Home / 3,691.13-5,537.89-2,210.12

Finding the Fourth Proportional to 3,691.13, 5,537.89 and 2,210.12

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Solution

The fourth proportional to 3,691.13, 5,537.89 and 2,210.12 is: 3,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.13 : 5,537.89 = 2,210.12 : x
  2. Step 2: Convert to fraction form
    3,691.13/5,537.89 = 2,210.12/x
  3. Step 3: Cross multiply
    3,691.13x = 5,537.89 × 2,210.12
  4. Step 4: Simplify right side
    3,691.13x = 12,239,401.45
  5. Step 5: Solve for x
    x = 12,239,401.45/3,691.13
  6. Step 6: Final answer
    x = 3,315.90

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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.