Home / 2,155.27-3,233.28-1,114.99

Finding the Fourth Proportional to 2,155.27, 3,233.28 and 1,114.99

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Solution

The fourth proportional to 2,155.27, 3,233.28 and 1,114.99 is: 1,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.27 : 3,233.28 = 1,114.99 : x
  2. Step 2: Convert to fraction form
    2,155.27/3,233.28 = 1,114.99/x
  3. Step 3: Cross multiply
    2,155.27x = 3,233.28 × 1,114.99
  4. Step 4: Simplify right side
    2,155.27x = 3,605,074.87
  5. Step 5: Solve for x
    x = 3,605,074.87/2,155.27
  6. Step 6: Final answer
    x = 1,672.68

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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.