Home / 4,128.25-5,696.91-2,335.71

Finding the Fourth Proportional to 4,128.25, 5,696.91 and 2,335.71

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Solution

The fourth proportional to 4,128.25, 5,696.91 and 2,335.71 is: 3,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.25 : 5,696.91 = 2,335.71 : x
  2. Step 2: Convert to fraction form
    4,128.25/5,696.91 = 2,335.71/x
  3. Step 3: Cross multiply
    4,128.25x = 5,696.91 × 2,335.71
  4. Step 4: Simplify right side
    4,128.25x = 13,306,329.66
  5. Step 5: Solve for x
    x = 13,306,329.66/4,128.25
  6. Step 6: Final answer
    x = 3,223.24

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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.