Home / 3,389.30-4,675.37-2,382.56

Finding the Fourth Proportional to 3,389.30, 4,675.37 and 2,382.56

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Solution

The fourth proportional to 3,389.30, 4,675.37 and 2,382.56 is: 3,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.30 : 4,675.37 = 2,382.56 : x
  2. Step 2: Convert to fraction form
    3,389.30/4,675.37 = 2,382.56/x
  3. Step 3: Cross multiply
    3,389.30x = 4,675.37 × 2,382.56
  4. Step 4: Simplify right side
    3,389.30x = 11,139,314.26
  5. Step 5: Solve for x
    x = 11,139,314.26/3,389.30
  6. Step 6: Final answer
    x = 3,286.61

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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.