Home / 2,618.87-3,614.03-1,423.85

Finding the Fourth Proportional to 2,618.87, 3,614.03 and 1,423.85

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Solution

The fourth proportional to 2,618.87, 3,614.03 and 1,423.85 is: 1,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.87 : 3,614.03 = 1,423.85 : x
  2. Step 2: Convert to fraction form
    2,618.87/3,614.03 = 1,423.85/x
  3. Step 3: Cross multiply
    2,618.87x = 3,614.03 × 1,423.85
  4. Step 4: Simplify right side
    2,618.87x = 5,145,836.62
  5. Step 5: Solve for x
    x = 5,145,836.62/2,618.87
  6. Step 6: Final answer
    x = 1,964.91

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1.5x scale

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.