Home / 1,424.04-2,133.17-806.45

Finding the Fourth Proportional to 1,424.04, 2,133.17 and 806.45

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Solution

The fourth proportional to 1,424.04, 2,133.17 and 806.45 is: 1,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.04 : 2,133.17 = 806.45 : x
  2. Step 2: Convert to fraction form
    1,424.04/2,133.17 = 806.45/x
  3. Step 3: Cross multiply
    1,424.04x = 2,133.17 × 806.45
  4. Step 4: Simplify right side
    1,424.04x = 1,720,294.95
  5. Step 5: Solve for x
    x = 1,720,294.95/1,424.04
  6. Step 6: Final answer
    x = 1,208.04

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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.