Home / 3,286.48-4,534.23-2,009.89

Finding the Fourth Proportional to 3,286.48, 4,534.23 and 2,009.89

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Solution

The fourth proportional to 3,286.48, 4,534.23 and 2,009.89 is: 2,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.48 : 4,534.23 = 2,009.89 : x
  2. Step 2: Convert to fraction form
    3,286.48/4,534.23 = 2,009.89/x
  3. Step 3: Cross multiply
    3,286.48x = 4,534.23 × 2,009.89
  4. Step 4: Simplify right side
    3,286.48x = 9,113,303.53
  5. Step 5: Solve for x
    x = 9,113,303.53/3,286.48
  6. Step 6: Final answer
    x = 2,772.97

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1.5x scale

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.