Home / 3,118.45-4,673.62-1,267.41

Finding the Fourth Proportional to 3,118.45, 4,673.62 and 1,267.41

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Solution

The fourth proportional to 3,118.45, 4,673.62 and 1,267.41 is: 1,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.45 : 4,673.62 = 1,267.41 : x
  2. Step 2: Convert to fraction form
    3,118.45/4,673.62 = 1,267.41/x
  3. Step 3: Cross multiply
    3,118.45x = 4,673.62 × 1,267.41
  4. Step 4: Simplify right side
    3,118.45x = 5,923,381.04
  5. Step 5: Solve for x
    x = 5,923,381.04/3,118.45
  6. Step 6: Final answer
    x = 1,899.46

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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.