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Finding the Fourth Proportional to 2,995.89, 4,493.07 and 1,147.11

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Solution

The fourth proportional to 2,995.89, 4,493.07 and 1,147.11 is: 1,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.89 : 4,493.07 = 1,147.11 : x
  2. Step 2: Convert to fraction form
    2,995.89/4,493.07 = 1,147.11/x
  3. Step 3: Cross multiply
    2,995.89x = 4,493.07 × 1,147.11
  4. Step 4: Simplify right side
    2,995.89x = 5,154,053.95
  5. Step 5: Solve for x
    x = 5,154,053.95/2,995.89
  6. Step 6: Final answer
    x = 1,720.38

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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.