Home / 2,698.24-4,047.60-2,082.40

Finding the Fourth Proportional to 2,698.24, 4,047.60 and 2,082.40

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Solution

The fourth proportional to 2,698.24, 4,047.60 and 2,082.40 is: 3,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.24 : 4,047.60 = 2,082.40 : x
  2. Step 2: Convert to fraction form
    2,698.24/4,047.60 = 2,082.40/x
  3. Step 3: Cross multiply
    2,698.24x = 4,047.60 × 2,082.40
  4. Step 4: Simplify right side
    2,698.24x = 8,428,722.24
  5. Step 5: Solve for x
    x = 8,428,722.24/2,698.24
  6. Step 6: Final answer
    x = 3,123.79

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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.