Home / 3,585.06-5,380.02-1,245.78

Finding the Fourth Proportional to 3,585.06, 5,380.02 and 1,245.78

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Solution

The fourth proportional to 3,585.06, 5,380.02 and 1,245.78 is: 1,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.06 : 5,380.02 = 1,245.78 : x
  2. Step 2: Convert to fraction form
    3,585.06/5,380.02 = 1,245.78/x
  3. Step 3: Cross multiply
    3,585.06x = 5,380.02 × 1,245.78
  4. Step 4: Simplify right side
    3,585.06x = 6,702,321.32
  5. Step 5: Solve for x
    x = 6,702,321.32/3,585.06
  6. Step 6: Final answer
    x = 1,869.51

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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.