Home / 2,713.38-3,744.65-1,534.45

Finding the Fourth Proportional to 2,713.38, 3,744.65 and 1,534.45

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Solution

The fourth proportional to 2,713.38, 3,744.65 and 1,534.45 is: 2,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.38 : 3,744.65 = 1,534.45 : x
  2. Step 2: Convert to fraction form
    2,713.38/3,744.65 = 1,534.45/x
  3. Step 3: Cross multiply
    2,713.38x = 3,744.65 × 1,534.45
  4. Step 4: Simplify right side
    2,713.38x = 5,745,978.19
  5. Step 5: Solve for x
    x = 5,745,978.19/2,713.38
  6. Step 6: Final answer
    x = 2,117.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.