Home / 2,365.28-3,544.32-2,120.48

Finding the Fourth Proportional to 2,365.28, 3,544.32 and 2,120.48

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Solution

The fourth proportional to 2,365.28, 3,544.32 and 2,120.48 is: 3,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.28 : 3,544.32 = 2,120.48 : x
  2. Step 2: Convert to fraction form
    2,365.28/3,544.32 = 2,120.48/x
  3. Step 3: Cross multiply
    2,365.28x = 3,544.32 × 2,120.48
  4. Step 4: Simplify right side
    2,365.28x = 7,515,659.67
  5. Step 5: Solve for x
    x = 7,515,659.67/2,365.28
  6. Step 6: Final answer
    x = 3,177.49

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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.