Home / 2,912.01-4,021.25-1,850.13

Finding the Fourth Proportional to 2,912.01, 4,021.25 and 1,850.13

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Solution

The fourth proportional to 2,912.01, 4,021.25 and 1,850.13 is: 2,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.01 : 4,021.25 = 1,850.13 : x
  2. Step 2: Convert to fraction form
    2,912.01/4,021.25 = 1,850.13/x
  3. Step 3: Cross multiply
    2,912.01x = 4,021.25 × 1,850.13
  4. Step 4: Simplify right side
    2,912.01x = 7,439,805.91
  5. Step 5: Solve for x
    x = 7,439,805.91/2,912.01
  6. Step 6: Final answer
    x = 2,554.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.