Home / 2,833.16-4,249.20-985.48

Finding the Fourth Proportional to 2,833.16, 4,249.20 and 985.48

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Solution

The fourth proportional to 2,833.16, 4,249.20 and 985.48 is: 1,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.16 : 4,249.20 = 985.48 : x
  2. Step 2: Convert to fraction form
    2,833.16/4,249.20 = 985.48/x
  3. Step 3: Cross multiply
    2,833.16x = 4,249.20 × 985.48
  4. Step 4: Simplify right side
    2,833.16x = 4,187,501.62
  5. Step 5: Solve for x
    x = 4,187,501.62/2,833.16
  6. Step 6: Final answer
    x = 1,478.03

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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.