Home / 1,464.17-2,020.49-800.90

Finding the Fourth Proportional to 1,464.17, 2,020.49 and 800.90

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Solution

The fourth proportional to 1,464.17, 2,020.49 and 800.90 is: 1,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.17 : 2,020.49 = 800.90 : x
  2. Step 2: Convert to fraction form
    1,464.17/2,020.49 = 800.90/x
  3. Step 3: Cross multiply
    1,464.17x = 2,020.49 × 800.90
  4. Step 4: Simplify right side
    1,464.17x = 1,618,196.33
  5. Step 5: Solve for x
    x = 1,618,196.33/1,464.17
  6. Step 6: Final answer
    x = 1,105.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.