Home / 2,617.75-3,611.27-1,622.66

Finding the Fourth Proportional to 2,617.75, 3,611.27 and 1,622.66

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Solution

The fourth proportional to 2,617.75, 3,611.27 and 1,622.66 is: 2,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.75 : 3,611.27 = 1,622.66 : x
  2. Step 2: Convert to fraction form
    2,617.75/3,611.27 = 1,622.66/x
  3. Step 3: Cross multiply
    2,617.75x = 3,611.27 × 1,622.66
  4. Step 4: Simplify right side
    2,617.75x = 5,859,876.46
  5. Step 5: Solve for x
    x = 5,859,876.46/2,617.75
  6. Step 6: Final answer
    x = 2,238.52

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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.