Home / 2,135.54-2,945.62-1,250.48

Finding the Fourth Proportional to 2,135.54, 2,945.62 and 1,250.48

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Solution

The fourth proportional to 2,135.54, 2,945.62 and 1,250.48 is: 1,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.54 : 2,945.62 = 1,250.48 : x
  2. Step 2: Convert to fraction form
    2,135.54/2,945.62 = 1,250.48/x
  3. Step 3: Cross multiply
    2,135.54x = 2,945.62 × 1,250.48
  4. Step 4: Simplify right side
    2,135.54x = 3,683,438.90
  5. Step 5: Solve for x
    x = 3,683,438.90/2,135.54
  6. Step 6: Final answer
    x = 1,724.83

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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.