Home / 1,464.02-2,020.38-800.90

Finding the Fourth Proportional to 1,464.02, 2,020.38 and 800.90

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Solution

The fourth proportional to 1,464.02, 2,020.38 and 800.90 is: 1,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.02 : 2,020.38 = 800.90 : x
  2. Step 2: Convert to fraction form
    1,464.02/2,020.38 = 800.90/x
  3. Step 3: Cross multiply
    1,464.02x = 2,020.38 × 800.90
  4. Step 4: Simplify right side
    1,464.02x = 1,618,134.94
  5. Step 5: Solve for x
    x = 1,618,134.94/1,464.02
  6. Step 6: Final answer
    x = 1,105.27

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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.