Home / 4,128.28-5,696.70-2,264.92

Finding the Fourth Proportional to 4,128.28, 5,696.70 and 2,264.92

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Solution

The fourth proportional to 4,128.28, 5,696.70 and 2,264.92 is: 3,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.28 : 5,696.70 = 2,264.92 : x
  2. Step 2: Convert to fraction form
    4,128.28/5,696.70 = 2,264.92/x
  3. Step 3: Cross multiply
    4,128.28x = 5,696.70 × 2,264.92
  4. Step 4: Simplify right side
    4,128.28x = 12,902,569.76
  5. Step 5: Solve for x
    x = 12,902,569.76/4,128.28
  6. Step 6: Final answer
    x = 3,125.41

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Half scale
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Double scale
Find fourth proportional to 4,129.28, 5,698.08 and 2,265.92
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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.