Home / 3,612.30-5,417.99-1,147.14

Finding the Fourth Proportional to 3,612.30, 5,417.99 and 1,147.14

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Solution

The fourth proportional to 3,612.30, 5,417.99 and 1,147.14 is: 1,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.30 : 5,417.99 = 1,147.14 : x
  2. Step 2: Convert to fraction form
    3,612.30/5,417.99 = 1,147.14/x
  3. Step 3: Cross multiply
    3,612.30x = 5,417.99 × 1,147.14
  4. Step 4: Simplify right side
    3,612.30x = 6,215,193.05
  5. Step 5: Solve for x
    x = 6,215,193.05/3,612.30
  6. Step 6: Final answer
    x = 1,720.56

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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.