Home / 3,330.59-4,991.61-2,816.66

Finding the Fourth Proportional to 3,330.59, 4,991.61 and 2,816.66

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Solution

The fourth proportional to 3,330.59, 4,991.61 and 2,816.66 is: 4,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.59 : 4,991.61 = 2,816.66 : x
  2. Step 2: Convert to fraction form
    3,330.59/4,991.61 = 2,816.66/x
  3. Step 3: Cross multiply
    3,330.59x = 4,991.61 × 2,816.66
  4. Step 4: Simplify right side
    3,330.59x = 14,059,668.22
  5. Step 5: Solve for x
    x = 14,059,668.22/3,330.59
  6. Step 6: Final answer
    x = 4,221.37

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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.