Home / 2,066.66-2,853.34-1,320.92

Finding the Fourth Proportional to 2,066.66, 2,853.34 and 1,320.92

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Solution

The fourth proportional to 2,066.66, 2,853.34 and 1,320.92 is: 1,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.66 : 2,853.34 = 1,320.92 : x
  2. Step 2: Convert to fraction form
    2,066.66/2,853.34 = 1,320.92/x
  3. Step 3: Cross multiply
    2,066.66x = 2,853.34 × 1,320.92
  4. Step 4: Simplify right side
    2,066.66x = 3,769,033.87
  5. Step 5: Solve for x
    x = 3,769,033.87/2,066.66
  6. Step 6: Final answer
    x = 1,823.73

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Double scale
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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.