Home / 2,719.64-4,079.55-1,294.58

Finding the Fourth Proportional to 2,719.64, 4,079.55 and 1,294.58

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Solution

The fourth proportional to 2,719.64, 4,079.55 and 1,294.58 is: 1,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.64 : 4,079.55 = 1,294.58 : x
  2. Step 2: Convert to fraction form
    2,719.64/4,079.55 = 1,294.58/x
  3. Step 3: Cross multiply
    2,719.64x = 4,079.55 × 1,294.58
  4. Step 4: Simplify right side
    2,719.64x = 5,281,276.97
  5. Step 5: Solve for x
    x = 5,281,276.97/2,719.64
  6. Step 6: Final answer
    x = 1,941.90

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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.