Home / 1,874.38-2,586.62-1,118.68

Finding the Fourth Proportional to 1,874.38, 2,586.62 and 1,118.68

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Solution

The fourth proportional to 1,874.38, 2,586.62 and 1,118.68 is: 1,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.38 : 2,586.62 = 1,118.68 : x
  2. Step 2: Convert to fraction form
    1,874.38/2,586.62 = 1,118.68/x
  3. Step 3: Cross multiply
    1,874.38x = 2,586.62 × 1,118.68
  4. Step 4: Simplify right side
    1,874.38x = 2,893,600.06
  5. Step 5: Solve for x
    x = 2,893,600.06/1,874.38
  6. Step 6: Final answer
    x = 1,543.76

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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.