Home / 3,397.20-5,095.90-1,617.80

Finding the Fourth Proportional to 3,397.20, 5,095.90 and 1,617.80

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Solution

The fourth proportional to 3,397.20, 5,095.90 and 1,617.80 is: 2,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.20 : 5,095.90 = 1,617.80 : x
  2. Step 2: Convert to fraction form
    3,397.20/5,095.90 = 1,617.80/x
  3. Step 3: Cross multiply
    3,397.20x = 5,095.90 × 1,617.80
  4. Step 4: Simplify right side
    3,397.20x = 8,244,147.02
  5. Step 5: Solve for x
    x = 8,244,147.02/3,397.20
  6. Step 6: Final answer
    x = 2,426.75

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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.