Home / 2,141.68-3,211.44-1,044.40

Finding the Fourth Proportional to 2,141.68, 3,211.44 and 1,044.40

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Solution

The fourth proportional to 2,141.68, 3,211.44 and 1,044.40 is: 1,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.68 : 3,211.44 = 1,044.40 : x
  2. Step 2: Convert to fraction form
    2,141.68/3,211.44 = 1,044.40/x
  3. Step 3: Cross multiply
    2,141.68x = 3,211.44 × 1,044.40
  4. Step 4: Simplify right side
    2,141.68x = 3,354,027.94
  5. Step 5: Solve for x
    x = 3,354,027.94/2,141.68
  6. Step 6: Final answer
    x = 1,566.07

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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.