Home / 4,128.08-5,696.68-2,265.04

Finding the Fourth Proportional to 4,128.08, 5,696.68 and 2,265.04

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Solution

The fourth proportional to 4,128.08, 5,696.68 and 2,265.04 is: 3,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.08 : 5,696.68 = 2,265.04 : x
  2. Step 2: Convert to fraction form
    4,128.08/5,696.68 = 2,265.04/x
  3. Step 3: Cross multiply
    4,128.08x = 5,696.68 × 2,265.04
  4. Step 4: Simplify right side
    4,128.08x = 12,903,208.07
  5. Step 5: Solve for x
    x = 12,903,208.07/4,128.08
  6. Step 6: Final answer
    x = 3,125.72

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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.