Home / 3,414.64-5,122.49-1,223.32

Finding the Fourth Proportional to 3,414.64, 5,122.49 and 1,223.32

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Solution

The fourth proportional to 3,414.64, 5,122.49 and 1,223.32 is: 1,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.64 : 5,122.49 = 1,223.32 : x
  2. Step 2: Convert to fraction form
    3,414.64/5,122.49 = 1,223.32/x
  3. Step 3: Cross multiply
    3,414.64x = 5,122.49 × 1,223.32
  4. Step 4: Simplify right side
    3,414.64x = 6,266,444.47
  5. Step 5: Solve for x
    x = 6,266,444.47/3,414.64
  6. Step 6: Final answer
    x = 1,835.17

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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.