Home / 4,128.11-5,696.49-2,335.58

Finding the Fourth Proportional to 4,128.11, 5,696.49 and 2,335.58

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Solution

The fourth proportional to 4,128.11, 5,696.49 and 2,335.58 is: 3,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.11 : 5,696.49 = 2,335.58 : x
  2. Step 2: Convert to fraction form
    4,128.11/5,696.49 = 2,335.58/x
  3. Step 3: Cross multiply
    4,128.11x = 5,696.49 × 2,335.58
  4. Step 4: Simplify right side
    4,128.11x = 13,304,608.11
  5. Step 5: Solve for x
    x = 13,304,608.11/4,128.11
  6. Step 6: Final answer
    x = 3,222.93

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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.