Home / 3,447.04-5,171.10-1,138

Finding the Fourth Proportional to 3,447.04, 5,171.10 and 1,138

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Solution

The fourth proportional to 3,447.04, 5,171.10 and 1,138 is: 1,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.04 : 5,171.10 = 1,138 : x
  2. Step 2: Convert to fraction form
    3,447.04/5,171.10 = 1,138/x
  3. Step 3: Cross multiply
    3,447.04x = 5,171.10 × 1,138
  4. Step 4: Simplify right side
    3,447.04x = 5,884,711.80
  5. Step 5: Solve for x
    x = 5,884,711.80/3,447.04
  6. Step 6: Final answer
    x = 1,707.18

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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.