Home / 2,919.04-4,368.97-2,221.95

Finding the Fourth Proportional to 2,919.04, 4,368.97 and 2,221.95

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Solution

The fourth proportional to 2,919.04, 4,368.97 and 2,221.95 is: 3,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.04 : 4,368.97 = 2,221.95 : x
  2. Step 2: Convert to fraction form
    2,919.04/4,368.97 = 2,221.95/x
  3. Step 3: Cross multiply
    2,919.04x = 4,368.97 × 2,221.95
  4. Step 4: Simplify right side
    2,919.04x = 9,707,632.89
  5. Step 5: Solve for x
    x = 9,707,632.89/2,919.04
  6. Step 6: Final answer
    x = 3,325.63

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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.