Home / 3,671.34-5,065.74-2,180.58

Finding the Fourth Proportional to 3,671.34, 5,065.74 and 2,180.58

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Solution

The fourth proportional to 3,671.34, 5,065.74 and 2,180.58 is: 3,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.34 : 5,065.74 = 2,180.58 : x
  2. Step 2: Convert to fraction form
    3,671.34/5,065.74 = 2,180.58/x
  3. Step 3: Cross multiply
    3,671.34x = 5,065.74 × 2,180.58
  4. Step 4: Simplify right side
    3,671.34x = 11,046,251.33
  5. Step 5: Solve for x
    x = 11,046,251.33/3,671.34
  6. Step 6: Final answer
    x = 3,008.78

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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.