Home / 2,928.35-4,042.29-1,749.20

Finding the Fourth Proportional to 2,928.35, 4,042.29 and 1,749.20

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Solution

The fourth proportional to 2,928.35, 4,042.29 and 1,749.20 is: 2,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.35 : 4,042.29 = 1,749.20 : x
  2. Step 2: Convert to fraction form
    2,928.35/4,042.29 = 1,749.20/x
  3. Step 3: Cross multiply
    2,928.35x = 4,042.29 × 1,749.20
  4. Step 4: Simplify right side
    2,928.35x = 7,070,753.46
  5. Step 5: Solve for x
    x = 7,070,753.46/2,928.35
  6. Step 6: Final answer
    x = 2,414.59

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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.