Home / 3,146.88-4,721.01-1,199.09

Finding the Fourth Proportional to 3,146.88, 4,721.01 and 1,199.09

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Solution

The fourth proportional to 3,146.88, 4,721.01 and 1,199.09 is: 1,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.88 : 4,721.01 = 1,199.09 : x
  2. Step 2: Convert to fraction form
    3,146.88/4,721.01 = 1,199.09/x
  3. Step 3: Cross multiply
    3,146.88x = 4,721.01 × 1,199.09
  4. Step 4: Simplify right side
    3,146.88x = 5,660,898.95
  5. Step 5: Solve for x
    x = 5,660,898.95/3,146.88
  6. Step 6: Final answer
    x = 1,798.89

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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.