Home / 1,258.48-1,879.38-1,244.96

Finding the Fourth Proportional to 1,258.48, 1,879.38 and 1,244.96

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Solution

The fourth proportional to 1,258.48, 1,879.38 and 1,244.96 is: 1,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.48 : 1,879.38 = 1,244.96 : x
  2. Step 2: Convert to fraction form
    1,258.48/1,879.38 = 1,244.96/x
  3. Step 3: Cross multiply
    1,258.48x = 1,879.38 × 1,244.96
  4. Step 4: Simplify right side
    1,258.48x = 2,339,752.92
  5. Step 5: Solve for x
    x = 2,339,752.92/1,258.48
  6. Step 6: Final answer
    x = 1,859.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.