Home / 3,118.73-4,674.05-1,267.70

Finding the Fourth Proportional to 3,118.73, 4,674.05 and 1,267.70

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Solution

The fourth proportional to 3,118.73, 4,674.05 and 1,267.70 is: 1,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.73 : 4,674.05 = 1,267.70 : x
  2. Step 2: Convert to fraction form
    3,118.73/4,674.05 = 1,267.70/x
  3. Step 3: Cross multiply
    3,118.73x = 4,674.05 × 1,267.70
  4. Step 4: Simplify right side
    3,118.73x = 5,925,272.98
  5. Step 5: Solve for x
    x = 5,925,272.98/3,118.73
  6. Step 6: Final answer
    x = 1,899.90

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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.