Home / 3,531.79-4,876.97-2,207.75

Finding the Fourth Proportional to 3,531.79, 4,876.97 and 2,207.75

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Solution

The fourth proportional to 3,531.79, 4,876.97 and 2,207.75 is: 3,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.79 : 4,876.97 = 2,207.75 : x
  2. Step 2: Convert to fraction form
    3,531.79/4,876.97 = 2,207.75/x
  3. Step 3: Cross multiply
    3,531.79x = 4,876.97 × 2,207.75
  4. Step 4: Simplify right side
    3,531.79x = 10,767,130.52
  5. Step 5: Solve for x
    x = 10,767,130.52/3,531.79
  6. Step 6: Final answer
    x = 3,048.63

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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.