Home / 3,155.36-4,355.17-2,258.69

Finding the Fourth Proportional to 3,155.36, 4,355.17 and 2,258.69

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Solution

The fourth proportional to 3,155.36, 4,355.17 and 2,258.69 is: 3,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.36 : 4,355.17 = 2,258.69 : x
  2. Step 2: Convert to fraction form
    3,155.36/4,355.17 = 2,258.69/x
  3. Step 3: Cross multiply
    3,155.36x = 4,355.17 × 2,258.69
  4. Step 4: Simplify right side
    3,155.36x = 9,836,951.50
  5. Step 5: Solve for x
    x = 9,836,951.50/3,155.36
  6. Step 6: Final answer
    x = 3,117.54

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1.5x scale

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.