Home / 3,303.20-4,954.80-2,655.20

Finding the Fourth Proportional to 3,303.20, 4,954.80 and 2,655.20

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Solution

The fourth proportional to 3,303.20, 4,954.80 and 2,655.20 is: 3,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.20 : 4,954.80 = 2,655.20 : x
  2. Step 2: Convert to fraction form
    3,303.20/4,954.80 = 2,655.20/x
  3. Step 3: Cross multiply
    3,303.20x = 4,954.80 × 2,655.20
  4. Step 4: Simplify right side
    3,303.20x = 13,155,984.96
  5. Step 5: Solve for x
    x = 13,155,984.96/3,303.20
  6. Step 6: Final answer
    x = 3,982.80

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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.