Home / 2,318.14-3,475.05-1,147.42

Finding the Fourth Proportional to 2,318.14, 3,475.05 and 1,147.42

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Solution

The fourth proportional to 2,318.14, 3,475.05 and 1,147.42 is: 1,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.14 : 3,475.05 = 1,147.42 : x
  2. Step 2: Convert to fraction form
    2,318.14/3,475.05 = 1,147.42/x
  3. Step 3: Cross multiply
    2,318.14x = 3,475.05 × 1,147.42
  4. Step 4: Simplify right side
    2,318.14x = 3,987,341.87
  5. Step 5: Solve for x
    x = 3,987,341.87/2,318.14
  6. Step 6: Final answer
    x = 1,720.06

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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.