Home / 3,155.74-4,352.67-2,735.34

Finding the Fourth Proportional to 3,155.74, 4,352.67 and 2,735.34

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Solution

The fourth proportional to 3,155.74, 4,352.67 and 2,735.34 is: 3,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.74 : 4,352.67 = 2,735.34 : x
  2. Step 2: Convert to fraction form
    3,155.74/4,352.67 = 2,735.34/x
  3. Step 3: Cross multiply
    3,155.74x = 4,352.67 × 2,735.34
  4. Step 4: Simplify right side
    3,155.74x = 11,906,032.36
  5. Step 5: Solve for x
    x = 11,906,032.36/3,155.74
  6. Step 6: Final answer
    x = 3,772.82

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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.