Home / 2,400.25-3,311.58-1,352.11

Finding the Fourth Proportional to 2,400.25, 3,311.58 and 1,352.11

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Solution

The fourth proportional to 2,400.25, 3,311.58 and 1,352.11 is: 1,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.25 : 3,311.58 = 1,352.11 : x
  2. Step 2: Convert to fraction form
    2,400.25/3,311.58 = 1,352.11/x
  3. Step 3: Cross multiply
    2,400.25x = 3,311.58 × 1,352.11
  4. Step 4: Simplify right side
    2,400.25x = 4,477,620.43
  5. Step 5: Solve for x
    x = 4,477,620.43/2,400.25
  6. Step 6: Final answer
    x = 1,865.48

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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.