Home / 4,128.18-5,696.61-2,265.30

Finding the Fourth Proportional to 4,128.18, 5,696.61 and 2,265.30

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Solution

The fourth proportional to 4,128.18, 5,696.61 and 2,265.30 is: 3,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.18 : 5,696.61 = 2,265.30 : x
  2. Step 2: Convert to fraction form
    4,128.18/5,696.61 = 2,265.30/x
  3. Step 3: Cross multiply
    4,128.18x = 5,696.61 × 2,265.30
  4. Step 4: Simplify right side
    4,128.18x = 12,904,530.63
  5. Step 5: Solve for x
    x = 12,904,530.63/4,128.18
  6. Step 6: Final answer
    x = 3,125.96

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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.