Home / 3,501.42-5,239.16-2,805.98

Finding the Fourth Proportional to 3,501.42, 5,239.16 and 2,805.98

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Solution

The fourth proportional to 3,501.42, 5,239.16 and 2,805.98 is: 4,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.42 : 5,239.16 = 2,805.98 : x
  2. Step 2: Convert to fraction form
    3,501.42/5,239.16 = 2,805.98/x
  3. Step 3: Cross multiply
    3,501.42x = 5,239.16 × 2,805.98
  4. Step 4: Simplify right side
    3,501.42x = 14,700,974.30
  5. Step 5: Solve for x
    x = 14,700,974.30/3,501.42
  6. Step 6: Final answer
    x = 4,198.57

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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.