Home / 1,516.16-2,287.48-1,512.12

Finding the Fourth Proportional to 1,516.16, 2,287.48 and 1,512.12

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Solution

The fourth proportional to 1,516.16, 2,287.48 and 1,512.12 is: 2,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.16 : 2,287.48 = 1,512.12 : x
  2. Step 2: Convert to fraction form
    1,516.16/2,287.48 = 1,512.12/x
  3. Step 3: Cross multiply
    1,516.16x = 2,287.48 × 1,512.12
  4. Step 4: Simplify right side
    1,516.16x = 3,458,944.26
  5. Step 5: Solve for x
    x = 3,458,944.26/1,516.16
  6. Step 6: Final answer
    x = 2,281.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.