Home / 3,781.46-5,222.40-3,369.17

Finding the Fourth Proportional to 3,781.46, 5,222.40 and 3,369.17

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Solution

The fourth proportional to 3,781.46, 5,222.40 and 3,369.17 is: 4,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.46 : 5,222.40 = 3,369.17 : x
  2. Step 2: Convert to fraction form
    3,781.46/5,222.40 = 3,369.17/x
  3. Step 3: Cross multiply
    3,781.46x = 5,222.40 × 3,369.17
  4. Step 4: Simplify right side
    3,781.46x = 17,595,153.41
  5. Step 5: Solve for x
    x = 17,595,153.41/3,781.46
  6. Step 6: Final answer
    x = 4,653.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.