Home / 3,276.25-4,915.28-1,427.52

Finding the Fourth Proportional to 3,276.25, 4,915.28 and 1,427.52

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Solution

The fourth proportional to 3,276.25, 4,915.28 and 1,427.52 is: 2,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.25 : 4,915.28 = 1,427.52 : x
  2. Step 2: Convert to fraction form
    3,276.25/4,915.28 = 1,427.52/x
  3. Step 3: Cross multiply
    3,276.25x = 4,915.28 × 1,427.52
  4. Step 4: Simplify right side
    3,276.25x = 7,016,682.51
  5. Step 5: Solve for x
    x = 7,016,682.51/3,276.25
  6. Step 6: Final answer
    x = 2,141.68

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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.