Home / 3,418.30-4,686.49-3,356.02

Finding the Fourth Proportional to 3,418.30, 4,686.49 and 3,356.02

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Solution

The fourth proportional to 3,418.30, 4,686.49 and 3,356.02 is: 4,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.30 : 4,686.49 = 3,356.02 : x
  2. Step 2: Convert to fraction form
    3,418.30/4,686.49 = 3,356.02/x
  3. Step 3: Cross multiply
    3,418.30x = 4,686.49 × 3,356.02
  4. Step 4: Simplify right side
    3,418.30x = 15,727,954.17
  5. Step 5: Solve for x
    x = 15,727,954.17/3,418.30
  6. Step 6: Final answer
    x = 4,601.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.