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Finding the Fourth Proportional to 3,722.95, 5,585.03 and 1,257.92

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Solution

The fourth proportional to 3,722.95, 5,585.03 and 1,257.92 is: 1,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.95 : 5,585.03 = 1,257.92 : x
  2. Step 2: Convert to fraction form
    3,722.95/5,585.03 = 1,257.92/x
  3. Step 3: Cross multiply
    3,722.95x = 5,585.03 × 1,257.92
  4. Step 4: Simplify right side
    3,722.95x = 7,025,520.94
  5. Step 5: Solve for x
    x = 7,025,520.94/3,722.95
  6. Step 6: Final answer
    x = 1,887.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.