Home / 1,843.30-2,543.13-1,134.42

Finding the Fourth Proportional to 1,843.30, 2,543.13 and 1,134.42

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Solution

The fourth proportional to 1,843.30, 2,543.13 and 1,134.42 is: 1,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.30 : 2,543.13 = 1,134.42 : x
  2. Step 2: Convert to fraction form
    1,843.30/2,543.13 = 1,134.42/x
  3. Step 3: Cross multiply
    1,843.30x = 2,543.13 × 1,134.42
  4. Step 4: Simplify right side
    1,843.30x = 2,884,977.53
  5. Step 5: Solve for x
    x = 2,884,977.53/1,843.30
  6. Step 6: Final answer
    x = 1,565.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.