Home / 3,671.42-5,066.70-2,180.12

Finding the Fourth Proportional to 3,671.42, 5,066.70 and 2,180.12

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Solution

The fourth proportional to 3,671.42, 5,066.70 and 2,180.12 is: 3,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.42 : 5,066.70 = 2,180.12 : x
  2. Step 2: Convert to fraction form
    3,671.42/5,066.70 = 2,180.12/x
  3. Step 3: Cross multiply
    3,671.42x = 5,066.70 × 2,180.12
  4. Step 4: Simplify right side
    3,671.42x = 11,046,014.00
  5. Step 5: Solve for x
    x = 11,046,014.00/3,671.42
  6. Step 6: Final answer
    x = 3,008.65

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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.