Home / 3,424.98-5,138.67-1,670.52

Finding the Fourth Proportional to 3,424.98, 5,138.67 and 1,670.52

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Solution

The fourth proportional to 3,424.98, 5,138.67 and 1,670.52 is: 2,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.98 : 5,138.67 = 1,670.52 : x
  2. Step 2: Convert to fraction form
    3,424.98/5,138.67 = 1,670.52/x
  3. Step 3: Cross multiply
    3,424.98x = 5,138.67 × 1,670.52
  4. Step 4: Simplify right side
    3,424.98x = 8,584,251.01
  5. Step 5: Solve for x
    x = 8,584,251.01/3,424.98
  6. Step 6: Final answer
    x = 2,506.37

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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.