Home / 2,055.06-3,082.28-756.22

Finding the Fourth Proportional to 2,055.06, 3,082.28 and 756.22

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Solution

The fourth proportional to 2,055.06, 3,082.28 and 756.22 is: 1,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.06 : 3,082.28 = 756.22 : x
  2. Step 2: Convert to fraction form
    2,055.06/3,082.28 = 756.22/x
  3. Step 3: Cross multiply
    2,055.06x = 3,082.28 × 756.22
  4. Step 4: Simplify right side
    2,055.06x = 2,330,878.00
  5. Step 5: Solve for x
    x = 2,330,878.00/2,055.06
  6. Step 6: Final answer
    x = 1,134.22

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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.