Home / 2,251.55-3,108.73-1,831.26

Finding the Fourth Proportional to 2,251.55, 3,108.73 and 1,831.26

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Solution

The fourth proportional to 2,251.55, 3,108.73 and 1,831.26 is: 2,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.55 : 3,108.73 = 1,831.26 : x
  2. Step 2: Convert to fraction form
    2,251.55/3,108.73 = 1,831.26/x
  3. Step 3: Cross multiply
    2,251.55x = 3,108.73 × 1,831.26
  4. Step 4: Simplify right side
    2,251.55x = 5,692,885.93
  5. Step 5: Solve for x
    x = 5,692,885.93/2,251.55
  6. Step 6: Final answer
    x = 2,528.43

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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.