Home / 3,020.99-4,166.86-2,919.39

Finding the Fourth Proportional to 3,020.99, 4,166.86 and 2,919.39

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Solution

The fourth proportional to 3,020.99, 4,166.86 and 2,919.39 is: 4,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.99 : 4,166.86 = 2,919.39 : x
  2. Step 2: Convert to fraction form
    3,020.99/4,166.86 = 2,919.39/x
  3. Step 3: Cross multiply
    3,020.99x = 4,166.86 × 2,919.39
  4. Step 4: Simplify right side
    3,020.99x = 12,164,682.12
  5. Step 5: Solve for x
    x = 12,164,682.12/3,020.99
  6. Step 6: Final answer
    x = 4,026.72

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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.