Home / 1,624.19-2,436.42-699.77

Finding the Fourth Proportional to 1,624.19, 2,436.42 and 699.77

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Solution

The fourth proportional to 1,624.19, 2,436.42 and 699.77 is: 1,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.19 : 2,436.42 = 699.77 : x
  2. Step 2: Convert to fraction form
    1,624.19/2,436.42 = 699.77/x
  3. Step 3: Cross multiply
    1,624.19x = 2,436.42 × 699.77
  4. Step 4: Simplify right side
    1,624.19x = 1,704,933.62
  5. Step 5: Solve for x
    x = 1,704,933.62/1,624.19
  6. Step 6: Final answer
    x = 1,049.71

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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.