Home / 1,444.89-2,167.43-579.09

Finding the Fourth Proportional to 1,444.89, 2,167.43 and 579.09

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Solution

The fourth proportional to 1,444.89, 2,167.43 and 579.09 is: 868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.89 : 2,167.43 = 579.09 : x
  2. Step 2: Convert to fraction form
    1,444.89/2,167.43 = 579.09/x
  3. Step 3: Cross multiply
    1,444.89x = 2,167.43 × 579.09
  4. Step 4: Simplify right side
    1,444.89x = 1,255,134.14
  5. Step 5: Solve for x
    x = 1,255,134.14/1,444.89
  6. Step 6: Final answer
    x = 868.67

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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.