Home / 3,753.71-5,180.43-2,075.44

Finding the Fourth Proportional to 3,753.71, 5,180.43 and 2,075.44

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Solution

The fourth proportional to 3,753.71, 5,180.43 and 2,075.44 is: 2,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.71 : 5,180.43 = 2,075.44 : x
  2. Step 2: Convert to fraction form
    3,753.71/5,180.43 = 2,075.44/x
  3. Step 3: Cross multiply
    3,753.71x = 5,180.43 × 2,075.44
  4. Step 4: Simplify right side
    3,753.71x = 10,751,671.64
  5. Step 5: Solve for x
    x = 10,751,671.64/3,753.71
  6. Step 6: Final answer
    x = 2,864.28

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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.