Home / 3,753.81-5,180.24-2,075.22

Finding the Fourth Proportional to 3,753.81, 5,180.24 and 2,075.22

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Solution

The fourth proportional to 3,753.81, 5,180.24 and 2,075.22 is: 2,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.81 : 5,180.24 = 2,075.22 : x
  2. Step 2: Convert to fraction form
    3,753.81/5,180.24 = 2,075.22/x
  3. Step 3: Cross multiply
    3,753.81x = 5,180.24 × 2,075.22
  4. Step 4: Simplify right side
    3,753.81x = 10,750,127.28
  5. Step 5: Solve for x
    x = 10,750,127.28/3,753.81
  6. Step 6: Final answer
    x = 2,863.79

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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.