Home / 3,712.41-5,109.57-2,963.97

Finding the Fourth Proportional to 3,712.41, 5,109.57 and 2,963.97

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Solution

The fourth proportional to 3,712.41, 5,109.57 and 2,963.97 is: 4,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.41 : 5,109.57 = 2,963.97 : x
  2. Step 2: Convert to fraction form
    3,712.41/5,109.57 = 2,963.97/x
  3. Step 3: Cross multiply
    3,712.41x = 5,109.57 × 2,963.97
  4. Step 4: Simplify right side
    3,712.41x = 15,144,612.19
  5. Step 5: Solve for x
    x = 15,144,612.19/3,712.41
  6. Step 6: Final answer
    x = 4,079.46

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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.