Home / 3,750.97-5,176.57-2,689.06

Finding the Fourth Proportional to 3,750.97, 5,176.57 and 2,689.06

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Solution

The fourth proportional to 3,750.97, 5,176.57 and 2,689.06 is: 3,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.97 : 5,176.57 = 2,689.06 : x
  2. Step 2: Convert to fraction form
    3,750.97/5,176.57 = 2,689.06/x
  3. Step 3: Cross multiply
    3,750.97x = 5,176.57 × 2,689.06
  4. Step 4: Simplify right side
    3,750.97x = 13,920,093.88
  5. Step 5: Solve for x
    x = 13,920,093.88/3,750.97
  6. Step 6: Final answer
    x = 3,711.07

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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.