Home / 3,696.16-5,100.24-2,280.16

Finding the Fourth Proportional to 3,696.16, 5,100.24 and 2,280.16

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Solution

The fourth proportional to 3,696.16, 5,100.24 and 2,280.16 is: 3,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.16 : 5,100.24 = 2,280.16 : x
  2. Step 2: Convert to fraction form
    3,696.16/5,100.24 = 2,280.16/x
  3. Step 3: Cross multiply
    3,696.16x = 5,100.24 × 2,280.16
  4. Step 4: Simplify right side
    3,696.16x = 11,629,363.24
  5. Step 5: Solve for x
    x = 11,629,363.24/3,696.16
  6. Step 6: Final answer
    x = 3,146.34

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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.