Home / 3,927.57-5,418.85-2,582.79

Finding the Fourth Proportional to 3,927.57, 5,418.85 and 2,582.79

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Solution

The fourth proportional to 3,927.57, 5,418.85 and 2,582.79 is: 3,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.57 : 5,418.85 = 2,582.79 : x
  2. Step 2: Convert to fraction form
    3,927.57/5,418.85 = 2,582.79/x
  3. Step 3: Cross multiply
    3,927.57x = 5,418.85 × 2,582.79
  4. Step 4: Simplify right side
    3,927.57x = 13,995,775.38
  5. Step 5: Solve for x
    x = 13,995,775.38/3,927.57
  6. Step 6: Final answer
    x = 3,563.47

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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.