Home / 3,026.96-4,176.88-1,768

Finding the Fourth Proportional to 3,026.96, 4,176.88 and 1,768

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Solution

The fourth proportional to 3,026.96, 4,176.88 and 1,768 is: 2,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.96 : 4,176.88 = 1,768 : x
  2. Step 2: Convert to fraction form
    3,026.96/4,176.88 = 1,768/x
  3. Step 3: Cross multiply
    3,026.96x = 4,176.88 × 1,768
  4. Step 4: Simplify right side
    3,026.96x = 7,384,723.84
  5. Step 5: Solve for x
    x = 7,384,723.84/3,026.96
  6. Step 6: Final answer
    x = 2,439.65

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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.