Home / 3,424.88-5,131.25-2,325.31

Finding the Fourth Proportional to 3,424.88, 5,131.25 and 2,325.31

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Solution

The fourth proportional to 3,424.88, 5,131.25 and 2,325.31 is: 3,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.88 : 5,131.25 = 2,325.31 : x
  2. Step 2: Convert to fraction form
    3,424.88/5,131.25 = 2,325.31/x
  3. Step 3: Cross multiply
    3,424.88x = 5,131.25 × 2,325.31
  4. Step 4: Simplify right side
    3,424.88x = 11,931,731.20
  5. Step 5: Solve for x
    x = 11,931,731.20/3,424.88
  6. Step 6: Final answer
    x = 3,483.84

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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.