Home / 3,417.78-5,122.35-3,381.06

Finding the Fourth Proportional to 3,417.78, 5,122.35 and 3,381.06

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Solution

The fourth proportional to 3,417.78, 5,122.35 and 3,381.06 is: 5,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.78 : 5,122.35 = 3,381.06 : x
  2. Step 2: Convert to fraction form
    3,417.78/5,122.35 = 3,381.06/x
  3. Step 3: Cross multiply
    3,417.78x = 5,122.35 × 3,381.06
  4. Step 4: Simplify right side
    3,417.78x = 17,318,972.69
  5. Step 5: Solve for x
    x = 17,318,972.69/3,417.78
  6. Step 6: Final answer
    x = 5,067.32

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1.5x scale

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.