Home / 3,920.52-5,410.48-2,348.32

Finding the Fourth Proportional to 3,920.52, 5,410.48 and 2,348.32

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Solution

The fourth proportional to 3,920.52, 5,410.48 and 2,348.32 is: 3,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.52 : 5,410.48 = 2,348.32 : x
  2. Step 2: Convert to fraction form
    3,920.52/5,410.48 = 2,348.32/x
  3. Step 3: Cross multiply
    3,920.52x = 5,410.48 × 2,348.32
  4. Step 4: Simplify right side
    3,920.52x = 12,705,538.39
  5. Step 5: Solve for x
    x = 12,705,538.39/3,920.52
  6. Step 6: Final answer
    x = 3,240.78

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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.