Home / 2,284.21-3,427.08-724.47

Finding the Fourth Proportional to 2,284.21, 3,427.08 and 724.47

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Solution

The fourth proportional to 2,284.21, 3,427.08 and 724.47 is: 1,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.21 : 3,427.08 = 724.47 : x
  2. Step 2: Convert to fraction form
    2,284.21/3,427.08 = 724.47/x
  3. Step 3: Cross multiply
    2,284.21x = 3,427.08 × 724.47
  4. Step 4: Simplify right side
    2,284.21x = 2,482,816.65
  5. Step 5: Solve for x
    x = 2,482,816.65/2,284.21
  6. Step 6: Final answer
    x = 1,086.95

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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.