Home / 2,258.80-3,386.16-1,161.76

Finding the Fourth Proportional to 2,258.80, 3,386.16 and 1,161.76

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Solution

The fourth proportional to 2,258.80, 3,386.16 and 1,161.76 is: 1,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.80 : 3,386.16 = 1,161.76 : x
  2. Step 2: Convert to fraction form
    2,258.80/3,386.16 = 1,161.76/x
  3. Step 3: Cross multiply
    2,258.80x = 3,386.16 × 1,161.76
  4. Step 4: Simplify right side
    2,258.80x = 3,933,905.24
  5. Step 5: Solve for x
    x = 3,933,905.24/2,258.80
  6. Step 6: Final answer
    x = 1,741.59

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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.