Home / 3,908.52-5,391.72-2,580.48

Finding the Fourth Proportional to 3,908.52, 5,391.72 and 2,580.48

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Solution

The fourth proportional to 3,908.52, 5,391.72 and 2,580.48 is: 3,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.52 : 5,391.72 = 2,580.48 : x
  2. Step 2: Convert to fraction form
    3,908.52/5,391.72 = 2,580.48/x
  3. Step 3: Cross multiply
    3,908.52x = 5,391.72 × 2,580.48
  4. Step 4: Simplify right side
    3,908.52x = 13,913,225.63
  5. Step 5: Solve for x
    x = 13,913,225.63/3,908.52
  6. Step 6: Final answer
    x = 3,559.72

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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.