Home / 3,455.24-5,176.38-2,681.96

Finding the Fourth Proportional to 3,455.24, 5,176.38 and 2,681.96

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Solution

The fourth proportional to 3,455.24, 5,176.38 and 2,681.96 is: 4,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.24 : 5,176.38 = 2,681.96 : x
  2. Step 2: Convert to fraction form
    3,455.24/5,176.38 = 2,681.96/x
  3. Step 3: Cross multiply
    3,455.24x = 5,176.38 × 2,681.96
  4. Step 4: Simplify right side
    3,455.24x = 13,882,844.10
  5. Step 5: Solve for x
    x = 13,882,844.10/3,455.24
  6. Step 6: Final answer
    x = 4,017.91

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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.