Home / 2,338.98-3,501.18-1,989.06

Finding the Fourth Proportional to 2,338.98, 3,501.18 and 1,989.06

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Solution

The fourth proportional to 2,338.98, 3,501.18 and 1,989.06 is: 2,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.98 : 3,501.18 = 1,989.06 : x
  2. Step 2: Convert to fraction form
    2,338.98/3,501.18 = 1,989.06/x
  3. Step 3: Cross multiply
    2,338.98x = 3,501.18 × 1,989.06
  4. Step 4: Simplify right side
    2,338.98x = 6,964,057.09
  5. Step 5: Solve for x
    x = 6,964,057.09/2,338.98
  6. Step 6: Final answer
    x = 2,977.39

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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.