Home / 3,385.11-5,070.69-3,101.61

Finding the Fourth Proportional to 3,385.11, 5,070.69 and 3,101.61

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Solution

The fourth proportional to 3,385.11, 5,070.69 and 3,101.61 is: 4,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.11 : 5,070.69 = 3,101.61 : x
  2. Step 2: Convert to fraction form
    3,385.11/5,070.69 = 3,101.61/x
  3. Step 3: Cross multiply
    3,385.11x = 5,070.69 × 3,101.61
  4. Step 4: Simplify right side
    3,385.11x = 15,727,302.81
  5. Step 5: Solve for x
    x = 15,727,302.81/3,385.11
  6. Step 6: Final answer
    x = 4,646.02

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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.