Home / 2,240.20-3,357.06-1,143.04

Finding the Fourth Proportional to 2,240.20, 3,357.06 and 1,143.04

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Solution

The fourth proportional to 2,240.20, 3,357.06 and 1,143.04 is: 1,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.20 : 3,357.06 = 1,143.04 : x
  2. Step 2: Convert to fraction form
    2,240.20/3,357.06 = 1,143.04/x
  3. Step 3: Cross multiply
    2,240.20x = 3,357.06 × 1,143.04
  4. Step 4: Simplify right side
    2,240.20x = 3,837,253.86
  5. Step 5: Solve for x
    x = 3,837,253.86/2,240.20
  6. Step 6: Final answer
    x = 1,712.91

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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.