Home / 2,922.12-4,031.91-1,743.57

Finding the Fourth Proportional to 2,922.12, 4,031.91 and 1,743.57

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Solution

The fourth proportional to 2,922.12, 4,031.91 and 1,743.57 is: 2,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.12 : 4,031.91 = 1,743.57 : x
  2. Step 2: Convert to fraction form
    2,922.12/4,031.91 = 1,743.57/x
  3. Step 3: Cross multiply
    2,922.12x = 4,031.91 × 1,743.57
  4. Step 4: Simplify right side
    2,922.12x = 7,029,917.32
  5. Step 5: Solve for x
    x = 7,029,917.32/2,922.12
  6. Step 6: Final answer
    x = 2,405.76

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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.