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Finding the Fourth Proportional to 3,016.80, 4,549.20 and 2,671.20

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Solution

The fourth proportional to 3,016.80, 4,549.20 and 2,671.20 is: 4,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.80 : 4,549.20 = 2,671.20 : x
  2. Step 2: Convert to fraction form
    3,016.80/4,549.20 = 2,671.20/x
  3. Step 3: Cross multiply
    3,016.80x = 4,549.20 × 2,671.20
  4. Step 4: Simplify right side
    3,016.80x = 12,151,823.04
  5. Step 5: Solve for x
    x = 12,151,823.04/3,016.80
  6. Step 6: Final answer
    x = 4,028.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.