Home / 2,743.64-4,115.86-1,445.20

Finding the Fourth Proportional to 2,743.64, 4,115.86 and 1,445.20

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Solution

The fourth proportional to 2,743.64, 4,115.86 and 1,445.20 is: 2,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.64 : 4,115.86 = 1,445.20 : x
  2. Step 2: Convert to fraction form
    2,743.64/4,115.86 = 1,445.20/x
  3. Step 3: Cross multiply
    2,743.64x = 4,115.86 × 1,445.20
  4. Step 4: Simplify right side
    2,743.64x = 5,948,240.87
  5. Step 5: Solve for x
    x = 5,948,240.87/2,743.64
  6. Step 6: Final answer
    x = 2,168.01

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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.