Home / 3,148.96-4,722.90-1,589.66

Finding the Fourth Proportional to 3,148.96, 4,722.90 and 1,589.66

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Solution

The fourth proportional to 3,148.96, 4,722.90 and 1,589.66 is: 2,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.96 : 4,722.90 = 1,589.66 : x
  2. Step 2: Convert to fraction form
    3,148.96/4,722.90 = 1,589.66/x
  3. Step 3: Cross multiply
    3,148.96x = 4,722.90 × 1,589.66
  4. Step 4: Simplify right side
    3,148.96x = 7,507,805.21
  5. Step 5: Solve for x
    x = 7,507,805.21/3,148.96
  6. Step 6: Final answer
    x = 2,384.22

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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.