Home / 1,417.26-2,122.02-800.04

Finding the Fourth Proportional to 1,417.26, 2,122.02 and 800.04

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Solution

The fourth proportional to 1,417.26, 2,122.02 and 800.04 is: 1,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.26 : 2,122.02 = 800.04 : x
  2. Step 2: Convert to fraction form
    1,417.26/2,122.02 = 800.04/x
  3. Step 3: Cross multiply
    1,417.26x = 2,122.02 × 800.04
  4. Step 4: Simplify right side
    1,417.26x = 1,697,700.88
  5. Step 5: Solve for x
    x = 1,697,700.88/1,417.26
  6. Step 6: Final answer
    x = 1,197.88

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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.