Home / 2,713.04-4,068.16-1,326.64

Finding the Fourth Proportional to 2,713.04, 4,068.16 and 1,326.64

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Solution

The fourth proportional to 2,713.04, 4,068.16 and 1,326.64 is: 1,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.04 : 4,068.16 = 1,326.64 : x
  2. Step 2: Convert to fraction form
    2,713.04/4,068.16 = 1,326.64/x
  3. Step 3: Cross multiply
    2,713.04x = 4,068.16 × 1,326.64
  4. Step 4: Simplify right side
    2,713.04x = 5,396,983.78
  5. Step 5: Solve for x
    x = 5,396,983.78/2,713.04
  6. Step 6: Final answer
    x = 1,989.28

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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.