Home / 2,287.43-3,428.68-1,114.85

Finding the Fourth Proportional to 2,287.43, 3,428.68 and 1,114.85

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Solution

The fourth proportional to 2,287.43, 3,428.68 and 1,114.85 is: 1,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.43 : 3,428.68 = 1,114.85 : x
  2. Step 2: Convert to fraction form
    2,287.43/3,428.68 = 1,114.85/x
  3. Step 3: Cross multiply
    2,287.43x = 3,428.68 × 1,114.85
  4. Step 4: Simplify right side
    2,287.43x = 3,822,463.90
  5. Step 5: Solve for x
    x = 3,822,463.90/2,287.43
  6. Step 6: Final answer
    x = 1,671.07

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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.