Home / 3,145.14-4,715.63-1,758.62

Finding the Fourth Proportional to 3,145.14, 4,715.63 and 1,758.62

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Solution

The fourth proportional to 3,145.14, 4,715.63 and 1,758.62 is: 2,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.14 : 4,715.63 = 1,758.62 : x
  2. Step 2: Convert to fraction form
    3,145.14/4,715.63 = 1,758.62/x
  3. Step 3: Cross multiply
    3,145.14x = 4,715.63 × 1,758.62
  4. Step 4: Simplify right side
    3,145.14x = 8,292,977.65
  5. Step 5: Solve for x
    x = 8,292,977.65/3,145.14
  6. Step 6: Final answer
    x = 2,636.76

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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.