Home / 2,265.43-3,397.34-1,226.20

Finding the Fourth Proportional to 2,265.43, 3,397.34 and 1,226.20

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Solution

The fourth proportional to 2,265.43, 3,397.34 and 1,226.20 is: 1,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.43 : 3,397.34 = 1,226.20 : x
  2. Step 2: Convert to fraction form
    2,265.43/3,397.34 = 1,226.20/x
  3. Step 3: Cross multiply
    2,265.43x = 3,397.34 × 1,226.20
  4. Step 4: Simplify right side
    2,265.43x = 4,165,812.18
  5. Step 5: Solve for x
    x = 4,165,812.18/2,265.43
  6. Step 6: Final answer
    x = 1,838.86

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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.