Home / 3,147.96-4,340.52-2,263.44

Finding the Fourth Proportional to 3,147.96, 4,340.52 and 2,263.44

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Solution

The fourth proportional to 3,147.96, 4,340.52 and 2,263.44 is: 3,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.96 : 4,340.52 = 2,263.44 : x
  2. Step 2: Convert to fraction form
    3,147.96/4,340.52 = 2,263.44/x
  3. Step 3: Cross multiply
    3,147.96x = 4,340.52 × 2,263.44
  4. Step 4: Simplify right side
    3,147.96x = 9,824,506.59
  5. Step 5: Solve for x
    x = 9,824,506.59/3,147.96
  6. Step 6: Final answer
    x = 3,120.91

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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.