Home / 2,124.97-3,188.67-1,201.57

Finding the Fourth Proportional to 2,124.97, 3,188.67 and 1,201.57

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Solution

The fourth proportional to 2,124.97, 3,188.67 and 1,201.57 is: 1,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.97 : 3,188.67 = 1,201.57 : x
  2. Step 2: Convert to fraction form
    2,124.97/3,188.67 = 1,201.57/x
  3. Step 3: Cross multiply
    2,124.97x = 3,188.67 × 1,201.57
  4. Step 4: Simplify right side
    2,124.97x = 3,831,397.73
  5. Step 5: Solve for x
    x = 3,831,397.73/2,124.97
  6. Step 6: Final answer
    x = 1,803.04

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1.5x scale

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.