Home / 2,331.92-3,214.44-2,069.84

Finding the Fourth Proportional to 2,331.92, 3,214.44 and 2,069.84

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Solution

The fourth proportional to 2,331.92, 3,214.44 and 2,069.84 is: 2,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.92 : 3,214.44 = 2,069.84 : x
  2. Step 2: Convert to fraction form
    2,331.92/3,214.44 = 2,069.84/x
  3. Step 3: Cross multiply
    2,331.92x = 3,214.44 × 2,069.84
  4. Step 4: Simplify right side
    2,331.92x = 6,653,376.49
  5. Step 5: Solve for x
    x = 6,653,376.49/2,331.92
  6. Step 6: Final answer
    x = 2,853.18

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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.