Home / 3,020.80-4,196.61-2,993.76

Finding the Fourth Proportional to 3,020.80, 4,196.61 and 2,993.76

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Solution

The fourth proportional to 3,020.80, 4,196.61 and 2,993.76 is: 4,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.80 : 4,196.61 = 2,993.76 : x
  2. Step 2: Convert to fraction form
    3,020.80/4,196.61 = 2,993.76/x
  3. Step 3: Cross multiply
    3,020.80x = 4,196.61 × 2,993.76
  4. Step 4: Simplify right side
    3,020.80x = 12,563,643.15
  5. Step 5: Solve for x
    x = 12,563,643.15/3,020.80
  6. Step 6: Final answer
    x = 4,159.05

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.