Home / 4,127.80-5,696.72-2,265.16

Finding the Fourth Proportional to 4,127.80, 5,696.72 and 2,265.16

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Solution

The fourth proportional to 4,127.80, 5,696.72 and 2,265.16 is: 3,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.80 : 5,696.72 = 2,265.16 : x
  2. Step 2: Convert to fraction form
    4,127.80/5,696.72 = 2,265.16/x
  3. Step 3: Cross multiply
    4,127.80x = 5,696.72 × 2,265.16
  4. Step 4: Simplify right side
    4,127.80x = 12,903,982.28
  5. Step 5: Solve for x
    x = 12,903,982.28/4,127.80
  6. Step 6: Final answer
    x = 3,126.12

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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.