Home / 3,651.28-5,038.77-1,995.28

Finding the Fourth Proportional to 3,651.28, 5,038.77 and 1,995.28

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Solution

The fourth proportional to 3,651.28, 5,038.77 and 1,995.28 is: 2,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.28 : 5,038.77 = 1,995.28 : x
  2. Step 2: Convert to fraction form
    3,651.28/5,038.77 = 1,995.28/x
  3. Step 3: Cross multiply
    3,651.28x = 5,038.77 × 1,995.28
  4. Step 4: Simplify right side
    3,651.28x = 10,053,757.01
  5. Step 5: Solve for x
    x = 10,053,757.01/3,651.28
  6. Step 6: Final answer
    x = 2,753.49

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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.