Home / 4,121.17-5,685.82-2,328.39

Finding the Fourth Proportional to 4,121.17, 5,685.82 and 2,328.39

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Solution

The fourth proportional to 4,121.17, 5,685.82 and 2,328.39 is: 3,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.17 : 5,685.82 = 2,328.39 : x
  2. Step 2: Convert to fraction form
    4,121.17/5,685.82 = 2,328.39/x
  3. Step 3: Cross multiply
    4,121.17x = 5,685.82 × 2,328.39
  4. Step 4: Simplify right side
    4,121.17x = 13,238,766.36
  5. Step 5: Solve for x
    x = 13,238,766.36/4,121.17
  6. Step 6: Final answer
    x = 3,212.38

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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.