Home / 3,319.70-4,979.55-2,282.90

Finding the Fourth Proportional to 3,319.70, 4,979.55 and 2,282.90

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Solution

The fourth proportional to 3,319.70, 4,979.55 and 2,282.90 is: 3,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.70 : 4,979.55 = 2,282.90 : x
  2. Step 2: Convert to fraction form
    3,319.70/4,979.55 = 2,282.90/x
  3. Step 3: Cross multiply
    3,319.70x = 4,979.55 × 2,282.90
  4. Step 4: Simplify right side
    3,319.70x = 11,367,814.70
  5. Step 5: Solve for x
    x = 11,367,814.70/3,319.70
  6. Step 6: Final answer
    x = 3,424.35

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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.