Home / 3,723.15-5,583.80-1,257.91

Finding the Fourth Proportional to 3,723.15, 5,583.80 and 1,257.91

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Solution

The fourth proportional to 3,723.15, 5,583.80 and 1,257.91 is: 1,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.15 : 5,583.80 = 1,257.91 : x
  2. Step 2: Convert to fraction form
    3,723.15/5,583.80 = 1,257.91/x
  3. Step 3: Cross multiply
    3,723.15x = 5,583.80 × 1,257.91
  4. Step 4: Simplify right side
    3,723.15x = 7,023,911.57
  5. Step 5: Solve for x
    x = 7,023,911.57/3,723.15
  6. Step 6: Final answer
    x = 1,886.55

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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.