Home / 3,657.40-5,488.83-2,272.76

Finding the Fourth Proportional to 3,657.40, 5,488.83 and 2,272.76

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Solution

The fourth proportional to 3,657.40, 5,488.83 and 2,272.76 is: 3,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.40 : 5,488.83 = 2,272.76 : x
  2. Step 2: Convert to fraction form
    3,657.40/5,488.83 = 2,272.76/x
  3. Step 3: Cross multiply
    3,657.40x = 5,488.83 × 2,272.76
  4. Step 4: Simplify right side
    3,657.40x = 12,474,786.41
  5. Step 5: Solve for x
    x = 12,474,786.41/3,657.40
  6. Step 6: Final answer
    x = 3,410.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.