Home / 2,258.06-3,115.16-1,418.50

Finding the Fourth Proportional to 2,258.06, 3,115.16 and 1,418.50

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Solution

The fourth proportional to 2,258.06, 3,115.16 and 1,418.50 is: 1,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.06 : 3,115.16 = 1,418.50 : x
  2. Step 2: Convert to fraction form
    2,258.06/3,115.16 = 1,418.50/x
  3. Step 3: Cross multiply
    2,258.06x = 3,115.16 × 1,418.50
  4. Step 4: Simplify right side
    2,258.06x = 4,418,854.46
  5. Step 5: Solve for x
    x = 4,418,854.46/2,258.06
  6. Step 6: Final answer
    x = 1,956.93

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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.