Home / 3,325.46-4,589.06-1,998.68

Finding the Fourth Proportional to 3,325.46, 4,589.06 and 1,998.68

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Solution

The fourth proportional to 3,325.46, 4,589.06 and 1,998.68 is: 2,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.46 : 4,589.06 = 1,998.68 : x
  2. Step 2: Convert to fraction form
    3,325.46/4,589.06 = 1,998.68/x
  3. Step 3: Cross multiply
    3,325.46x = 4,589.06 × 1,998.68
  4. Step 4: Simplify right side
    3,325.46x = 9,172,029.50
  5. Step 5: Solve for x
    x = 9,172,029.50/3,325.46
  6. Step 6: Final answer
    x = 2,758.13

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1.5x scale

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.