Home / 3,253.31-4,880.88-1,306.88

Finding the Fourth Proportional to 3,253.31, 4,880.88 and 1,306.88

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Solution

The fourth proportional to 3,253.31, 4,880.88 and 1,306.88 is: 1,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.31 : 4,880.88 = 1,306.88 : x
  2. Step 2: Convert to fraction form
    3,253.31/4,880.88 = 1,306.88/x
  3. Step 3: Cross multiply
    3,253.31x = 4,880.88 × 1,306.88
  4. Step 4: Simplify right side
    3,253.31x = 6,378,724.45
  5. Step 5: Solve for x
    x = 6,378,724.45/3,253.31
  6. Step 6: Final answer
    x = 1,960.69

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1.5x scale

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.