Home / 3,486.55-5,229.56-1,146.63

Finding the Fourth Proportional to 3,486.55, 5,229.56 and 1,146.63

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Solution

The fourth proportional to 3,486.55, 5,229.56 and 1,146.63 is: 1,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.55 : 5,229.56 = 1,146.63 : x
  2. Step 2: Convert to fraction form
    3,486.55/5,229.56 = 1,146.63/x
  3. Step 3: Cross multiply
    3,486.55x = 5,229.56 × 1,146.63
  4. Step 4: Simplify right side
    3,486.55x = 5,996,392.86
  5. Step 5: Solve for x
    x = 5,996,392.86/3,486.55
  6. Step 6: Final answer
    x = 1,719.86

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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.