Home / 3,959.08-5,463.24-2,190.53

Finding the Fourth Proportional to 3,959.08, 5,463.24 and 2,190.53

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Solution

The fourth proportional to 3,959.08, 5,463.24 and 2,190.53 is: 3,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.08 : 5,463.24 = 2,190.53 : x
  2. Step 2: Convert to fraction form
    3,959.08/5,463.24 = 2,190.53/x
  3. Step 3: Cross multiply
    3,959.08x = 5,463.24 × 2,190.53
  4. Step 4: Simplify right side
    3,959.08x = 11,967,391.12
  5. Step 5: Solve for x
    x = 11,967,391.12/3,959.08
  6. Step 6: Final answer
    x = 3,022.77

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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.