Home / 1,484.27-2,226.79-868.50

Finding the Fourth Proportional to 1,484.27, 2,226.79 and 868.50

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Solution

The fourth proportional to 1,484.27, 2,226.79 and 868.50 is: 1,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.27 : 2,226.79 = 868.50 : x
  2. Step 2: Convert to fraction form
    1,484.27/2,226.79 = 868.50/x
  3. Step 3: Cross multiply
    1,484.27x = 2,226.79 × 868.50
  4. Step 4: Simplify right side
    1,484.27x = 1,933,961.94
  5. Step 5: Solve for x
    x = 1,933,961.94/1,484.27
  6. Step 6: Final answer
    x = 1,302.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.