Home / 2,637.06-3,951.30-1,538.70

Finding the Fourth Proportional to 2,637.06, 3,951.30 and 1,538.70

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Solution

The fourth proportional to 2,637.06, 3,951.30 and 1,538.70 is: 2,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.06 : 3,951.30 = 1,538.70 : x
  2. Step 2: Convert to fraction form
    2,637.06/3,951.30 = 1,538.70/x
  3. Step 3: Cross multiply
    2,637.06x = 3,951.30 × 1,538.70
  4. Step 4: Simplify right side
    2,637.06x = 6,079,865.31
  5. Step 5: Solve for x
    x = 6,079,865.31/2,637.06
  6. Step 6: Final answer
    x = 2,305.55

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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.