Home / 3,750.80-5,176.24-2,072.28

Finding the Fourth Proportional to 3,750.80, 5,176.24 and 2,072.28

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Solution

The fourth proportional to 3,750.80, 5,176.24 and 2,072.28 is: 2,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.80 : 5,176.24 = 2,072.28 : x
  2. Step 2: Convert to fraction form
    3,750.80/5,176.24 = 2,072.28/x
  3. Step 3: Cross multiply
    3,750.80x = 5,176.24 × 2,072.28
  4. Step 4: Simplify right side
    3,750.80x = 10,726,618.63
  5. Step 5: Solve for x
    x = 10,726,618.63/3,750.80
  6. Step 6: Final answer
    x = 2,859.82

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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.