Home / 1,650.28-2,479.90-1,216.04

Finding the Fourth Proportional to 1,650.28, 2,479.90 and 1,216.04

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Solution

The fourth proportional to 1,650.28, 2,479.90 and 1,216.04 is: 1,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.28 : 2,479.90 = 1,216.04 : x
  2. Step 2: Convert to fraction form
    1,650.28/2,479.90 = 1,216.04/x
  3. Step 3: Cross multiply
    1,650.28x = 2,479.90 × 1,216.04
  4. Step 4: Simplify right side
    1,650.28x = 3,015,657.60
  5. Step 5: Solve for x
    x = 3,015,657.60/1,650.28
  6. Step 6: Final answer
    x = 1,827.36

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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.