Home / 2,767.60-4,151.40-2,403.10

Finding the Fourth Proportional to 2,767.60, 4,151.40 and 2,403.10

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Solution

The fourth proportional to 2,767.60, 4,151.40 and 2,403.10 is: 3,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.60 : 4,151.40 = 2,403.10 : x
  2. Step 2: Convert to fraction form
    2,767.60/4,151.40 = 2,403.10/x
  3. Step 3: Cross multiply
    2,767.60x = 4,151.40 × 2,403.10
  4. Step 4: Simplify right side
    2,767.60x = 9,976,229.34
  5. Step 5: Solve for x
    x = 9,976,229.34/2,767.60
  6. Step 6: Final answer
    x = 3,604.65

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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.