Home / 3,340.28-5,032.96-2,768

Finding the Fourth Proportional to 3,340.28, 5,032.96 and 2,768

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Solution

The fourth proportional to 3,340.28, 5,032.96 and 2,768 is: 4,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.28 : 5,032.96 = 2,768 : x
  2. Step 2: Convert to fraction form
    3,340.28/5,032.96 = 2,768/x
  3. Step 3: Cross multiply
    3,340.28x = 5,032.96 × 2,768
  4. Step 4: Simplify right side
    3,340.28x = 13,931,233.28
  5. Step 5: Solve for x
    x = 13,931,233.28/3,340.28
  6. Step 6: Final answer
    x = 4,170.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.