Home / 3,147.60-4,714.98-1,499.16

Finding the Fourth Proportional to 3,147.60, 4,714.98 and 1,499.16

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Solution

The fourth proportional to 3,147.60, 4,714.98 and 1,499.16 is: 2,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.60 : 4,714.98 = 1,499.16 : x
  2. Step 2: Convert to fraction form
    3,147.60/4,714.98 = 1,499.16/x
  3. Step 3: Cross multiply
    3,147.60x = 4,714.98 × 1,499.16
  4. Step 4: Simplify right side
    3,147.60x = 7,068,509.42
  5. Step 5: Solve for x
    x = 7,068,509.42/3,147.60
  6. Step 6: Final answer
    x = 2,245.68

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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.