Home / 1,476.40-2,216.92-1,273.28

Finding the Fourth Proportional to 1,476.40, 2,216.92 and 1,273.28

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Solution

The fourth proportional to 1,476.40, 2,216.92 and 1,273.28 is: 1,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.40 : 2,216.92 = 1,273.28 : x
  2. Step 2: Convert to fraction form
    1,476.40/2,216.92 = 1,273.28/x
  3. Step 3: Cross multiply
    1,476.40x = 2,216.92 × 1,273.28
  4. Step 4: Simplify right side
    1,476.40x = 2,822,759.90
  5. Step 5: Solve for x
    x = 2,822,759.90/1,476.40
  6. Step 6: Final answer
    x = 1,911.92

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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.