Home / 3,031.20-4,546.80-2,848.80

Finding the Fourth Proportional to 3,031.20, 4,546.80 and 2,848.80

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Solution

The fourth proportional to 3,031.20, 4,546.80 and 2,848.80 is: 4,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.20 : 4,546.80 = 2,848.80 : x
  2. Step 2: Convert to fraction form
    3,031.20/4,546.80 = 2,848.80/x
  3. Step 3: Cross multiply
    3,031.20x = 4,546.80 × 2,848.80
  4. Step 4: Simplify right side
    3,031.20x = 12,952,923.84
  5. Step 5: Solve for x
    x = 12,952,923.84/3,031.20
  6. Step 6: Final answer
    x = 4,273.20

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1.5x scale

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.