Home / 2,040.92-2,816.26-1,156.80

Finding the Fourth Proportional to 2,040.92, 2,816.26 and 1,156.80

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Solution

The fourth proportional to 2,040.92, 2,816.26 and 1,156.80 is: 1,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.92 : 2,816.26 = 1,156.80 : x
  2. Step 2: Convert to fraction form
    2,040.92/2,816.26 = 1,156.80/x
  3. Step 3: Cross multiply
    2,040.92x = 2,816.26 × 1,156.80
  4. Step 4: Simplify right side
    2,040.92x = 3,257,849.57
  5. Step 5: Solve for x
    x = 3,257,849.57/2,040.92
  6. Step 6: Final answer
    x = 1,596.27

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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.