Home / 2,930.60-4,396.17-1,543.10

Finding the Fourth Proportional to 2,930.60, 4,396.17 and 1,543.10

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Solution

The fourth proportional to 2,930.60, 4,396.17 and 1,543.10 is: 2,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.60 : 4,396.17 = 1,543.10 : x
  2. Step 2: Convert to fraction form
    2,930.60/4,396.17 = 1,543.10/x
  3. Step 3: Cross multiply
    2,930.60x = 4,396.17 × 1,543.10
  4. Step 4: Simplify right side
    2,930.60x = 6,783,729.93
  5. Step 5: Solve for x
    x = 6,783,729.93/2,930.60
  6. Step 6: Final answer
    x = 2,314.79

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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.