Home / 3,612.10-5,417.66-1,147.17

Finding the Fourth Proportional to 3,612.10, 5,417.66 and 1,147.17

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Solution

The fourth proportional to 3,612.10, 5,417.66 and 1,147.17 is: 1,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.10 : 5,417.66 = 1,147.17 : x
  2. Step 2: Convert to fraction form
    3,612.10/5,417.66 = 1,147.17/x
  3. Step 3: Cross multiply
    3,612.10x = 5,417.66 × 1,147.17
  4. Step 4: Simplify right side
    3,612.10x = 6,214,977.02
  5. Step 5: Solve for x
    x = 6,214,977.02/3,612.10
  6. Step 6: Final answer
    x = 1,720.60

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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.