Home / 2,637.53-3,958.88-1,251.80

Finding the Fourth Proportional to 2,637.53, 3,958.88 and 1,251.80

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Solution

The fourth proportional to 2,637.53, 3,958.88 and 1,251.80 is: 1,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.53 : 3,958.88 = 1,251.80 : x
  2. Step 2: Convert to fraction form
    2,637.53/3,958.88 = 1,251.80/x
  3. Step 3: Cross multiply
    2,637.53x = 3,958.88 × 1,251.80
  4. Step 4: Simplify right side
    2,637.53x = 4,955,737.05
  5. Step 5: Solve for x
    x = 4,955,737.05/2,637.53
  6. Step 6: Final answer
    x = 1,878.93

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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.