Home / 2,400.19-3,311.92-1,352.27

Finding the Fourth Proportional to 2,400.19, 3,311.92 and 1,352.27

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Solution

The fourth proportional to 2,400.19, 3,311.92 and 1,352.27 is: 1,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.19 : 3,311.92 = 1,352.27 : x
  2. Step 2: Convert to fraction form
    2,400.19/3,311.92 = 1,352.27/x
  3. Step 3: Cross multiply
    2,400.19x = 3,311.92 × 1,352.27
  4. Step 4: Simplify right side
    2,400.19x = 4,478,610.06
  5. Step 5: Solve for x
    x = 4,478,610.06/2,400.19
  6. Step 6: Final answer
    x = 1,865.94

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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.