Home / 2,619.92-3,616.26-1,624.70

Finding the Fourth Proportional to 2,619.92, 3,616.26 and 1,624.70

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Solution

The fourth proportional to 2,619.92, 3,616.26 and 1,624.70 is: 2,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.92 : 3,616.26 = 1,624.70 : x
  2. Step 2: Convert to fraction form
    2,619.92/3,616.26 = 1,624.70/x
  3. Step 3: Cross multiply
    2,619.92x = 3,616.26 × 1,624.70
  4. Step 4: Simplify right side
    2,619.92x = 5,875,337.62
  5. Step 5: Solve for x
    x = 5,875,337.62/2,619.92
  6. Step 6: Final answer
    x = 2,242.56

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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.