Home / 2,258.15-3,388.13-1,217.50

Finding the Fourth Proportional to 2,258.15, 3,388.13 and 1,217.50

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Solution

The fourth proportional to 2,258.15, 3,388.13 and 1,217.50 is: 1,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.15 : 3,388.13 = 1,217.50 : x
  2. Step 2: Convert to fraction form
    2,258.15/3,388.13 = 1,217.50/x
  3. Step 3: Cross multiply
    2,258.15x = 3,388.13 × 1,217.50
  4. Step 4: Simplify right side
    2,258.15x = 4,125,038.28
  5. Step 5: Solve for x
    x = 4,125,038.28/2,258.15
  6. Step 6: Final answer
    x = 1,826.74

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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.