Home / 3,945.60-5,444.16-2,373.79

Finding the Fourth Proportional to 3,945.60, 5,444.16 and 2,373.79

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Solution

The fourth proportional to 3,945.60, 5,444.16 and 2,373.79 is: 3,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.60 : 5,444.16 = 2,373.79 : x
  2. Step 2: Convert to fraction form
    3,945.60/5,444.16 = 2,373.79/x
  3. Step 3: Cross multiply
    3,945.60x = 5,444.16 × 2,373.79
  4. Step 4: Simplify right side
    3,945.60x = 12,923,292.57
  5. Step 5: Solve for x
    x = 12,923,292.57/3,945.60
  6. Step 6: Final answer
    x = 3,275.37

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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.