Home / 3,140.22-4,336.40-2,352.90

Finding the Fourth Proportional to 3,140.22, 4,336.40 and 2,352.90

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Solution

The fourth proportional to 3,140.22, 4,336.40 and 2,352.90 is: 3,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.22 : 4,336.40 = 2,352.90 : x
  2. Step 2: Convert to fraction form
    3,140.22/4,336.40 = 2,352.90/x
  3. Step 3: Cross multiply
    3,140.22x = 4,336.40 × 2,352.90
  4. Step 4: Simplify right side
    3,140.22x = 10,203,115.56
  5. Step 5: Solve for x
    x = 10,203,115.56/3,140.22
  6. Step 6: Final answer
    x = 3,249.17

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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.