Home / 2,234.64-3,349.22-1,258.70

Finding the Fourth Proportional to 2,234.64, 3,349.22 and 1,258.70

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Solution

The fourth proportional to 2,234.64, 3,349.22 and 1,258.70 is: 1,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.64 : 3,349.22 = 1,258.70 : x
  2. Step 2: Convert to fraction form
    2,234.64/3,349.22 = 1,258.70/x
  3. Step 3: Cross multiply
    2,234.64x = 3,349.22 × 1,258.70
  4. Step 4: Simplify right side
    2,234.64x = 4,215,663.21
  5. Step 5: Solve for x
    x = 4,215,663.21/2,234.64
  6. Step 6: Final answer
    x = 1,886.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.