Home / 1,873.38-2,584.22-1,126.88

Finding the Fourth Proportional to 1,873.38, 2,584.22 and 1,126.88

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Solution

The fourth proportional to 1,873.38, 2,584.22 and 1,126.88 is: 1,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.38 : 2,584.22 = 1,126.88 : x
  2. Step 2: Convert to fraction form
    1,873.38/2,584.22 = 1,126.88/x
  3. Step 3: Cross multiply
    1,873.38x = 2,584.22 × 1,126.88
  4. Step 4: Simplify right side
    1,873.38x = 2,912,103.31
  5. Step 5: Solve for x
    x = 2,912,103.31/1,873.38
  6. Step 6: Final answer
    x = 1,554.47

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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.