Home / 2,173.84-3,238.38-2,066.92

Finding the Fourth Proportional to 2,173.84, 3,238.38 and 2,066.92

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Solution

The fourth proportional to 2,173.84, 3,238.38 and 2,066.92 is: 3,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.84 : 3,238.38 = 2,066.92 : x
  2. Step 2: Convert to fraction form
    2,173.84/3,238.38 = 2,066.92/x
  3. Step 3: Cross multiply
    2,173.84x = 3,238.38 × 2,066.92
  4. Step 4: Simplify right side
    2,173.84x = 6,693,464.29
  5. Step 5: Solve for x
    x = 6,693,464.29/2,173.84
  6. Step 6: Final answer
    x = 3,079.10

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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.