Home / 3,115.53-4,673.42-1,266.63

Finding the Fourth Proportional to 3,115.53, 4,673.42 and 1,266.63

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Solution

The fourth proportional to 3,115.53, 4,673.42 and 1,266.63 is: 1,900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.53 : 4,673.42 = 1,266.63 : x
  2. Step 2: Convert to fraction form
    3,115.53/4,673.42 = 1,266.63/x
  3. Step 3: Cross multiply
    3,115.53x = 4,673.42 × 1,266.63
  4. Step 4: Simplify right side
    3,115.53x = 5,919,493.97
  5. Step 5: Solve for x
    x = 5,919,493.97/3,115.53
  6. Step 6: Final answer
    x = 1,900.00

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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.