Home / 3,528.60-5,266.83-3,309.72

Finding the Fourth Proportional to 3,528.60, 5,266.83 and 3,309.72

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Solution

The fourth proportional to 3,528.60, 5,266.83 and 3,309.72 is: 4,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.60 : 5,266.83 = 3,309.72 : x
  2. Step 2: Convert to fraction form
    3,528.60/5,266.83 = 3,309.72/x
  3. Step 3: Cross multiply
    3,528.60x = 5,266.83 × 3,309.72
  4. Step 4: Simplify right side
    3,528.60x = 17,431,732.59
  5. Step 5: Solve for x
    x = 17,431,732.59/3,528.60
  6. Step 6: Final answer
    x = 4,940.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.