Home / 2,675.18-3,691.70-1,480.28

Finding the Fourth Proportional to 2,675.18, 3,691.70 and 1,480.28

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Solution

The fourth proportional to 2,675.18, 3,691.70 and 1,480.28 is: 2,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.18 : 3,691.70 = 1,480.28 : x
  2. Step 2: Convert to fraction form
    2,675.18/3,691.70 = 1,480.28/x
  3. Step 3: Cross multiply
    2,675.18x = 3,691.70 × 1,480.28
  4. Step 4: Simplify right side
    2,675.18x = 5,464,723.82
  5. Step 5: Solve for x
    x = 5,464,723.82/2,675.18
  6. Step 6: Final answer
    x = 2,042.75

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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.