Home / 3,319.92-4,979.88-1,859.07

Finding the Fourth Proportional to 3,319.92, 4,979.88 and 1,859.07

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Solution

The fourth proportional to 3,319.92, 4,979.88 and 1,859.07 is: 2,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.92 : 4,979.88 = 1,859.07 : x
  2. Step 2: Convert to fraction form
    3,319.92/4,979.88 = 1,859.07/x
  3. Step 3: Cross multiply
    3,319.92x = 4,979.88 × 1,859.07
  4. Step 4: Simplify right side
    3,319.92x = 9,257,945.51
  5. Step 5: Solve for x
    x = 9,257,945.51/3,319.92
  6. Step 6: Final answer
    x = 2,788.61

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Similar ratio
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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.