Home / 1,951.38-2,687.24-1,360.89

Finding the Fourth Proportional to 1,951.38, 2,687.24 and 1,360.89

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Solution

The fourth proportional to 1,951.38, 2,687.24 and 1,360.89 is: 1,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.38 : 2,687.24 = 1,360.89 : x
  2. Step 2: Convert to fraction form
    1,951.38/2,687.24 = 1,360.89/x
  3. Step 3: Cross multiply
    1,951.38x = 2,687.24 × 1,360.89
  4. Step 4: Simplify right side
    1,951.38x = 3,657,041.45
  5. Step 5: Solve for x
    x = 3,657,041.45/1,951.38
  6. Step 6: Final answer
    x = 1,874.08

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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.