Home / 4,129.48-5,696.29-2,635.71

Finding the Fourth Proportional to 4,129.48, 5,696.29 and 2,635.71

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Solution

The fourth proportional to 4,129.48, 5,696.29 and 2,635.71 is: 3,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.48 : 5,696.29 = 2,635.71 : x
  2. Step 2: Convert to fraction form
    4,129.48/5,696.29 = 2,635.71/x
  3. Step 3: Cross multiply
    4,129.48x = 5,696.29 × 2,635.71
  4. Step 4: Simplify right side
    4,129.48x = 15,013,778.19
  5. Step 5: Solve for x
    x = 15,013,778.19/4,129.48
  6. Step 6: Final answer
    x = 3,635.76

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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.