Home / 3,718.35-5,575.30-1,253.12

Finding the Fourth Proportional to 3,718.35, 5,575.30 and 1,253.12

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Solution

The fourth proportional to 3,718.35, 5,575.30 and 1,253.12 is: 1,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.35 : 5,575.30 = 1,253.12 : x
  2. Step 2: Convert to fraction form
    3,718.35/5,575.30 = 1,253.12/x
  3. Step 3: Cross multiply
    3,718.35x = 5,575.30 × 1,253.12
  4. Step 4: Simplify right side
    3,718.35x = 6,986,488.93
  5. Step 5: Solve for x
    x = 6,986,488.93/3,718.35
  6. Step 6: Final answer
    x = 1,878.92

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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.