Home / 3,421.98-4,722.32-1,850.07

Finding the Fourth Proportional to 3,421.98, 4,722.32 and 1,850.07

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Solution

The fourth proportional to 3,421.98, 4,722.32 and 1,850.07 is: 2,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.98 : 4,722.32 = 1,850.07 : x
  2. Step 2: Convert to fraction form
    3,421.98/4,722.32 = 1,850.07/x
  3. Step 3: Cross multiply
    3,421.98x = 4,722.32 × 1,850.07
  4. Step 4: Simplify right side
    3,421.98x = 8,736,613.31
  5. Step 5: Solve for x
    x = 8,736,613.31/3,421.98
  6. Step 6: Final answer
    x = 2,553.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.