Home / 3,066.90-4,232.20-1,669.65

Finding the Fourth Proportional to 3,066.90, 4,232.20 and 1,669.65

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Solution

The fourth proportional to 3,066.90, 4,232.20 and 1,669.65 is: 2,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.90 : 4,232.20 = 1,669.65 : x
  2. Step 2: Convert to fraction form
    3,066.90/4,232.20 = 1,669.65/x
  3. Step 3: Cross multiply
    3,066.90x = 4,232.20 × 1,669.65
  4. Step 4: Simplify right side
    3,066.90x = 7,066,292.73
  5. Step 5: Solve for x
    x = 7,066,292.73/3,066.90
  6. Step 6: Final answer
    x = 2,304.05

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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.