Home / 3,877.55-5,341.97-2,696.57

Finding the Fourth Proportional to 3,877.55, 5,341.97 and 2,696.57

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Solution

The fourth proportional to 3,877.55, 5,341.97 and 2,696.57 is: 3,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.55 : 5,341.97 = 2,696.57 : x
  2. Step 2: Convert to fraction form
    3,877.55/5,341.97 = 2,696.57/x
  3. Step 3: Cross multiply
    3,877.55x = 5,341.97 × 2,696.57
  4. Step 4: Simplify right side
    3,877.55x = 14,404,955.85
  5. Step 5: Solve for x
    x = 14,404,955.85/3,877.55
  6. Step 6: Final answer
    x = 3,714.97

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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.