Home / 3,750.80-5,175.22-2,177.96

Finding the Fourth Proportional to 3,750.80, 5,175.22 and 2,177.96

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Solution

The fourth proportional to 3,750.80, 5,175.22 and 2,177.96 is: 3,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.80 : 5,175.22 = 2,177.96 : x
  2. Step 2: Convert to fraction form
    3,750.80/5,175.22 = 2,177.96/x
  3. Step 3: Cross multiply
    3,750.80x = 5,175.22 × 2,177.96
  4. Step 4: Simplify right side
    3,750.80x = 11,271,422.15
  5. Step 5: Solve for x
    x = 11,271,422.15/3,750.80
  6. Step 6: Final answer
    x = 3,005.07

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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.