Home / 3,444.29-5,165.40-979.31

Finding the Fourth Proportional to 3,444.29, 5,165.40 and 979.31

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Solution

The fourth proportional to 3,444.29, 5,165.40 and 979.31 is: 1,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.29 : 5,165.40 = 979.31 : x
  2. Step 2: Convert to fraction form
    3,444.29/5,165.40 = 979.31/x
  3. Step 3: Cross multiply
    3,444.29x = 5,165.40 × 979.31
  4. Step 4: Simplify right side
    3,444.29x = 5,058,527.87
  5. Step 5: Solve for x
    x = 5,058,527.87/3,444.29
  6. Step 6: Final answer
    x = 1,468.67

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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.