Home / 2,281.58-3,146.96-2,205.37

Finding the Fourth Proportional to 2,281.58, 3,146.96 and 2,205.37

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Solution

The fourth proportional to 2,281.58, 3,146.96 and 2,205.37 is: 3,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.58 : 3,146.96 = 2,205.37 : x
  2. Step 2: Convert to fraction form
    2,281.58/3,146.96 = 2,205.37/x
  3. Step 3: Cross multiply
    2,281.58x = 3,146.96 × 2,205.37
  4. Step 4: Simplify right side
    2,281.58x = 6,940,220.62
  5. Step 5: Solve for x
    x = 6,940,220.62/2,281.58
  6. Step 6: Final answer
    x = 3,041.85

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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.