Home / 2,282.07-3,149.43-1,721.50

Finding the Fourth Proportional to 2,282.07, 3,149.43 and 1,721.50

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Solution

The fourth proportional to 2,282.07, 3,149.43 and 1,721.50 is: 2,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.07 : 3,149.43 = 1,721.50 : x
  2. Step 2: Convert to fraction form
    2,282.07/3,149.43 = 1,721.50/x
  3. Step 3: Cross multiply
    2,282.07x = 3,149.43 × 1,721.50
  4. Step 4: Simplify right side
    2,282.07x = 5,421,756.81
  5. Step 5: Solve for x
    x = 5,421,756.81/2,282.07
  6. Step 6: Final answer
    x = 2,375.80

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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.