Home / 3,032.10-4,546.80-1,387.80

Finding the Fourth Proportional to 3,032.10, 4,546.80 and 1,387.80

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Solution

The fourth proportional to 3,032.10, 4,546.80 and 1,387.80 is: 2,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.10 : 4,546.80 = 1,387.80 : x
  2. Step 2: Convert to fraction form
    3,032.10/4,546.80 = 1,387.80/x
  3. Step 3: Cross multiply
    3,032.10x = 4,546.80 × 1,387.80
  4. Step 4: Simplify right side
    3,032.10x = 6,310,049.04
  5. Step 5: Solve for x
    x = 6,310,049.04/3,032.10
  6. Step 6: Final answer
    x = 2,081.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.