Home / 3,877.29-5,341.24-2,880.84

Finding the Fourth Proportional to 3,877.29, 5,341.24 and 2,880.84

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Solution

The fourth proportional to 3,877.29, 5,341.24 and 2,880.84 is: 3,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.29 : 5,341.24 = 2,880.84 : x
  2. Step 2: Convert to fraction form
    3,877.29/5,341.24 = 2,880.84/x
  3. Step 3: Cross multiply
    3,877.29x = 5,341.24 × 2,880.84
  4. Step 4: Simplify right side
    3,877.29x = 15,387,257.84
  5. Step 5: Solve for x
    x = 15,387,257.84/3,877.29
  6. Step 6: Final answer
    x = 3,968.56

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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.