Home / 1,484.56-2,226.09-868.47

Finding the Fourth Proportional to 1,484.56, 2,226.09 and 868.47

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Solution

The fourth proportional to 1,484.56, 2,226.09 and 868.47 is: 1,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.56 : 2,226.09 = 868.47 : x
  2. Step 2: Convert to fraction form
    1,484.56/2,226.09 = 868.47/x
  3. Step 3: Cross multiply
    1,484.56x = 2,226.09 × 868.47
  4. Step 4: Simplify right side
    1,484.56x = 1,933,281.25
  5. Step 5: Solve for x
    x = 1,933,281.25/1,484.56
  6. Step 6: Final answer
    x = 1,302.26

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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.