Home / 3,271.20-4,906.80-2,335.65

Finding the Fourth Proportional to 3,271.20, 4,906.80 and 2,335.65

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Solution

The fourth proportional to 3,271.20, 4,906.80 and 2,335.65 is: 3,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.20 : 4,906.80 = 2,335.65 : x
  2. Step 2: Convert to fraction form
    3,271.20/4,906.80 = 2,335.65/x
  3. Step 3: Cross multiply
    3,271.20x = 4,906.80 × 2,335.65
  4. Step 4: Simplify right side
    3,271.20x = 11,460,567.42
  5. Step 5: Solve for x
    x = 11,460,567.42/3,271.20
  6. Step 6: Final answer
    x = 3,503.48

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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.