Home / 4,243.76-5,854.92-2,671.28

Finding the Fourth Proportional to 4,243.76, 5,854.92 and 2,671.28

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Solution

The fourth proportional to 4,243.76, 5,854.92 and 2,671.28 is: 3,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.76 : 5,854.92 = 2,671.28 : x
  2. Step 2: Convert to fraction form
    4,243.76/5,854.92 = 2,671.28/x
  3. Step 3: Cross multiply
    4,243.76x = 5,854.92 × 2,671.28
  4. Step 4: Simplify right side
    4,243.76x = 15,640,130.70
  5. Step 5: Solve for x
    x = 15,640,130.70/4,243.76
  6. Step 6: Final answer
    x = 3,685.44

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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.