Home / 2,228.43-3,326.63-2,066.20

Finding the Fourth Proportional to 2,228.43, 3,326.63 and 2,066.20

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Solution

The fourth proportional to 2,228.43, 3,326.63 and 2,066.20 is: 3,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.43 : 3,326.63 = 2,066.20 : x
  2. Step 2: Convert to fraction form
    2,228.43/3,326.63 = 2,066.20/x
  3. Step 3: Cross multiply
    2,228.43x = 3,326.63 × 2,066.20
  4. Step 4: Simplify right side
    2,228.43x = 6,873,495.16
  5. Step 5: Solve for x
    x = 6,873,495.16/2,228.43
  6. Step 6: Final answer
    x = 3,084.45

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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.