Home / 3,042.30-4,560.14-1,988.44

Finding the Fourth Proportional to 3,042.30, 4,560.14 and 1,988.44

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Solution

The fourth proportional to 3,042.30, 4,560.14 and 1,988.44 is: 2,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.30 : 4,560.14 = 1,988.44 : x
  2. Step 2: Convert to fraction form
    3,042.30/4,560.14 = 1,988.44/x
  3. Step 3: Cross multiply
    3,042.30x = 4,560.14 × 1,988.44
  4. Step 4: Simplify right side
    3,042.30x = 9,067,564.78
  5. Step 5: Solve for x
    x = 9,067,564.78/3,042.30
  6. Step 6: Final answer
    x = 2,980.50

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Double scale
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1.5x scale

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.