Home / 3,380.38-4,669.49-2,547.38

Finding the Fourth Proportional to 3,380.38, 4,669.49 and 2,547.38

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Solution

The fourth proportional to 3,380.38, 4,669.49 and 2,547.38 is: 3,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.38 : 4,669.49 = 2,547.38 : x
  2. Step 2: Convert to fraction form
    3,380.38/4,669.49 = 2,547.38/x
  3. Step 3: Cross multiply
    3,380.38x = 4,669.49 × 2,547.38
  4. Step 4: Simplify right side
    3,380.38x = 11,894,965.44
  5. Step 5: Solve for x
    x = 11,894,965.44/3,380.38
  6. Step 6: Final answer
    x = 3,518.82

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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.