Home / 3,719.60-5,575.51-1,253.57

Finding the Fourth Proportional to 3,719.60, 5,575.51 and 1,253.57

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Solution

The fourth proportional to 3,719.60, 5,575.51 and 1,253.57 is: 1,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.60 : 5,575.51 = 1,253.57 : x
  2. Step 2: Convert to fraction form
    3,719.60/5,575.51 = 1,253.57/x
  3. Step 3: Cross multiply
    3,719.60x = 5,575.51 × 1,253.57
  4. Step 4: Simplify right side
    3,719.60x = 6,989,261.06
  5. Step 5: Solve for x
    x = 6,989,261.06/3,719.60
  6. Step 6: Final answer
    x = 1,879.03

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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.