Home / 3,587-4,947.30-3,144.13

Finding the Fourth Proportional to 3,587, 4,947.30 and 3,144.13

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Solution

The fourth proportional to 3,587, 4,947.30 and 3,144.13 is: 4,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587 : 4,947.30 = 3,144.13 : x
  2. Step 2: Convert to fraction form
    3,587/4,947.30 = 3,144.13/x
  3. Step 3: Cross multiply
    3,587x = 4,947.30 × 3,144.13
  4. Step 4: Simplify right side
    3,587x = 15,554,954.35
  5. Step 5: Solve for x
    x = 15,554,954.35/3,587
  6. Step 6: Final answer
    x = 4,336.48

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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.