Home / 2,082.32-3,126.46-2,045.42

Finding the Fourth Proportional to 2,082.32, 3,126.46 and 2,045.42

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Solution

The fourth proportional to 2,082.32, 3,126.46 and 2,045.42 is: 3,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.32 : 3,126.46 = 2,045.42 : x
  2. Step 2: Convert to fraction form
    2,082.32/3,126.46 = 2,045.42/x
  3. Step 3: Cross multiply
    2,082.32x = 3,126.46 × 2,045.42
  4. Step 4: Simplify right side
    2,082.32x = 6,394,923.81
  5. Step 5: Solve for x
    x = 6,394,923.81/2,082.32
  6. Step 6: Final answer
    x = 3,071.06

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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.