Home / 2,738.67-4,107.76-1,642.24

Finding the Fourth Proportional to 2,738.67, 4,107.76 and 1,642.24

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Solution

The fourth proportional to 2,738.67, 4,107.76 and 1,642.24 is: 2,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.67 : 4,107.76 = 1,642.24 : x
  2. Step 2: Convert to fraction form
    2,738.67/4,107.76 = 1,642.24/x
  3. Step 3: Cross multiply
    2,738.67x = 4,107.76 × 1,642.24
  4. Step 4: Simplify right side
    2,738.67x = 6,745,927.78
  5. Step 5: Solve for x
    x = 6,745,927.78/2,738.67
  6. Step 6: Final answer
    x = 2,463.21

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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.