Home / 2,822.48-4,227.72-2,271.68

Finding the Fourth Proportional to 2,822.48, 4,227.72 and 2,271.68

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Solution

The fourth proportional to 2,822.48, 4,227.72 and 2,271.68 is: 3,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.48 : 4,227.72 = 2,271.68 : x
  2. Step 2: Convert to fraction form
    2,822.48/4,227.72 = 2,271.68/x
  3. Step 3: Cross multiply
    2,822.48x = 4,227.72 × 2,271.68
  4. Step 4: Simplify right side
    2,822.48x = 9,604,026.97
  5. Step 5: Solve for x
    x = 9,604,026.97/2,822.48
  6. Step 6: Final answer
    x = 3,402.69

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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.