Home / 4,128.28-5,696.97-2,265.28

Finding the Fourth Proportional to 4,128.28, 5,696.97 and 2,265.28

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Solution

The fourth proportional to 4,128.28, 5,696.97 and 2,265.28 is: 3,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.28 : 5,696.97 = 2,265.28 : x
  2. Step 2: Convert to fraction form
    4,128.28/5,696.97 = 2,265.28/x
  3. Step 3: Cross multiply
    4,128.28x = 5,696.97 × 2,265.28
  4. Step 4: Simplify right side
    4,128.28x = 12,905,232.20
  5. Step 5: Solve for x
    x = 12,905,232.20/4,128.28
  6. Step 6: Final answer
    x = 3,126.06

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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.