Home / 3,132.60-4,697.18-2,146.55

Finding the Fourth Proportional to 3,132.60, 4,697.18 and 2,146.55

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Solution

The fourth proportional to 3,132.60, 4,697.18 and 2,146.55 is: 3,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.60 : 4,697.18 = 2,146.55 : x
  2. Step 2: Convert to fraction form
    3,132.60/4,697.18 = 2,146.55/x
  3. Step 3: Cross multiply
    3,132.60x = 4,697.18 × 2,146.55
  4. Step 4: Simplify right side
    3,132.60x = 10,082,697.51
  5. Step 5: Solve for x
    x = 10,082,697.51/3,132.60
  6. Step 6: Final answer
    x = 3,218.64

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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.