Home / 3,298.50-4,947.71-1,325

Finding the Fourth Proportional to 3,298.50, 4,947.71 and 1,325

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Solution

The fourth proportional to 3,298.50, 4,947.71 and 1,325 is: 1,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.50 : 4,947.71 = 1,325 : x
  2. Step 2: Convert to fraction form
    3,298.50/4,947.71 = 1,325/x
  3. Step 3: Cross multiply
    3,298.50x = 4,947.71 × 1,325
  4. Step 4: Simplify right side
    3,298.50x = 6,555,709.13
  5. Step 5: Solve for x
    x = 6,555,709.13/3,298.50
  6. Step 6: Final answer
    x = 1,987.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.