Home / 1,258.24-1,876.29-1,230.34

Finding the Fourth Proportional to 1,258.24, 1,876.29 and 1,230.34

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Solution

The fourth proportional to 1,258.24, 1,876.29 and 1,230.34 is: 1,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.24 : 1,876.29 = 1,230.34 : x
  2. Step 2: Convert to fraction form
    1,258.24/1,876.29 = 1,230.34/x
  3. Step 3: Cross multiply
    1,258.24x = 1,876.29 × 1,230.34
  4. Step 4: Simplify right side
    1,258.24x = 2,308,474.64
  5. Step 5: Solve for x
    x = 2,308,474.64/1,258.24
  6. Step 6: Final answer
    x = 1,834.69

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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.