Home / 2,258.20-3,385.95-1,087.48

Finding the Fourth Proportional to 2,258.20, 3,385.95 and 1,087.48

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Solution

The fourth proportional to 2,258.20, 3,385.95 and 1,087.48 is: 1,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.20 : 3,385.95 = 1,087.48 : x
  2. Step 2: Convert to fraction form
    2,258.20/3,385.95 = 1,087.48/x
  3. Step 3: Cross multiply
    2,258.20x = 3,385.95 × 1,087.48
  4. Step 4: Simplify right side
    2,258.20x = 3,682,152.91
  5. Step 5: Solve for x
    x = 3,682,152.91/2,258.20
  6. Step 6: Final answer
    x = 1,630.57

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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.