Home / 3,309.80-4,564.50-2,646.68

Finding the Fourth Proportional to 3,309.80, 4,564.50 and 2,646.68

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Solution

The fourth proportional to 3,309.80, 4,564.50 and 2,646.68 is: 3,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.80 : 4,564.50 = 2,646.68 : x
  2. Step 2: Convert to fraction form
    3,309.80/4,564.50 = 2,646.68/x
  3. Step 3: Cross multiply
    3,309.80x = 4,564.50 × 2,646.68
  4. Step 4: Simplify right side
    3,309.80x = 12,080,770.86
  5. Step 5: Solve for x
    x = 12,080,770.86/3,309.80
  6. Step 6: Final answer
    x = 3,650.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.