Home / 3,363.66-5,046.08-1,389.28

Finding the Fourth Proportional to 3,363.66, 5,046.08 and 1,389.28

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Solution

The fourth proportional to 3,363.66, 5,046.08 and 1,389.28 is: 2,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.66 : 5,046.08 = 1,389.28 : x
  2. Step 2: Convert to fraction form
    3,363.66/5,046.08 = 1,389.28/x
  3. Step 3: Cross multiply
    3,363.66x = 5,046.08 × 1,389.28
  4. Step 4: Simplify right side
    3,363.66x = 7,010,418.02
  5. Step 5: Solve for x
    x = 7,010,418.02/3,363.66
  6. Step 6: Final answer
    x = 2,084.16

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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.