Home / 2,379.11-3,283.34-1,331.24

Finding the Fourth Proportional to 2,379.11, 3,283.34 and 1,331.24

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Solution

The fourth proportional to 2,379.11, 3,283.34 and 1,331.24 is: 1,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.11 : 3,283.34 = 1,331.24 : x
  2. Step 2: Convert to fraction form
    2,379.11/3,283.34 = 1,331.24/x
  3. Step 3: Cross multiply
    2,379.11x = 3,283.34 × 1,331.24
  4. Step 4: Simplify right side
    2,379.11x = 4,370,890.47
  5. Step 5: Solve for x
    x = 4,370,890.47/2,379.11
  6. Step 6: Final answer
    x = 1,837.20

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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.