Home / 2,789.36-4,184.04-1,144.74

Finding the Fourth Proportional to 2,789.36, 4,184.04 and 1,144.74

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Solution

The fourth proportional to 2,789.36, 4,184.04 and 1,144.74 is: 1,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.36 : 4,184.04 = 1,144.74 : x
  2. Step 2: Convert to fraction form
    2,789.36/4,184.04 = 1,144.74/x
  3. Step 3: Cross multiply
    2,789.36x = 4,184.04 × 1,144.74
  4. Step 4: Simplify right side
    2,789.36x = 4,789,637.95
  5. Step 5: Solve for x
    x = 4,789,637.95/2,789.36
  6. Step 6: Final answer
    x = 1,717.11

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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.