Home / 2,176-3,003.42-1,245.04

Finding the Fourth Proportional to 2,176, 3,003.42 and 1,245.04

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Solution

The fourth proportional to 2,176, 3,003.42 and 1,245.04 is: 1,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176 : 3,003.42 = 1,245.04 : x
  2. Step 2: Convert to fraction form
    2,176/3,003.42 = 1,245.04/x
  3. Step 3: Cross multiply
    2,176x = 3,003.42 × 1,245.04
  4. Step 4: Simplify right side
    2,176x = 3,739,378.04
  5. Step 5: Solve for x
    x = 3,739,378.04/2,176
  6. Step 6: Final answer
    x = 1,718.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.