Home / 3,753.90-5,180.26-2,075.28

Finding the Fourth Proportional to 3,753.90, 5,180.26 and 2,075.28

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Solution

The fourth proportional to 3,753.90, 5,180.26 and 2,075.28 is: 2,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.90 : 5,180.26 = 2,075.28 : x
  2. Step 2: Convert to fraction form
    3,753.90/5,180.26 = 2,075.28/x
  3. Step 3: Cross multiply
    3,753.90x = 5,180.26 × 2,075.28
  4. Step 4: Simplify right side
    3,753.90x = 10,750,489.97
  5. Step 5: Solve for x
    x = 10,750,489.97/3,753.90
  6. Step 6: Final answer
    x = 2,863.82

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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.