Home / 4,222.80-6,335.56-2,031.68

Finding the Fourth Proportional to 4,222.80, 6,335.56 and 2,031.68

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Solution

The fourth proportional to 4,222.80, 6,335.56 and 2,031.68 is: 3,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.80 : 6,335.56 = 2,031.68 : x
  2. Step 2: Convert to fraction form
    4,222.80/6,335.56 = 2,031.68/x
  3. Step 3: Cross multiply
    4,222.80x = 6,335.56 × 2,031.68
  4. Step 4: Simplify right side
    4,222.80x = 12,871,830.54
  5. Step 5: Solve for x
    x = 12,871,830.54/4,222.80
  6. Step 6: Final answer
    x = 3,048.17

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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.