Home / 3,455.74-5,184.42-1,375.87

Finding the Fourth Proportional to 3,455.74, 5,184.42 and 1,375.87

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Solution

The fourth proportional to 3,455.74, 5,184.42 and 1,375.87 is: 2,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.74 : 5,184.42 = 1,375.87 : x
  2. Step 2: Convert to fraction form
    3,455.74/5,184.42 = 1,375.87/x
  3. Step 3: Cross multiply
    3,455.74x = 5,184.42 × 1,375.87
  4. Step 4: Simplify right side
    3,455.74x = 7,133,087.95
  5. Step 5: Solve for x
    x = 7,133,087.95/3,455.74
  6. Step 6: Final answer
    x = 2,064.13

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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.