Home / 2,174.64-3,002.26-1,512.39

Finding the Fourth Proportional to 2,174.64, 3,002.26 and 1,512.39

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Solution

The fourth proportional to 2,174.64, 3,002.26 and 1,512.39 is: 2,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.64 : 3,002.26 = 1,512.39 : x
  2. Step 2: Convert to fraction form
    2,174.64/3,002.26 = 1,512.39/x
  3. Step 3: Cross multiply
    2,174.64x = 3,002.26 × 1,512.39
  4. Step 4: Simplify right side
    2,174.64x = 4,540,581.91
  5. Step 5: Solve for x
    x = 4,540,581.91/2,174.64
  6. Step 6: Final answer
    x = 2,087.97

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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.