Home / 1,624.04-2,436.39-699.69

Finding the Fourth Proportional to 1,624.04, 2,436.39 and 699.69

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Solution

The fourth proportional to 1,624.04, 2,436.39 and 699.69 is: 1,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.04 : 2,436.39 = 699.69 : x
  2. Step 2: Convert to fraction form
    1,624.04/2,436.39 = 699.69/x
  3. Step 3: Cross multiply
    1,624.04x = 2,436.39 × 699.69
  4. Step 4: Simplify right side
    1,624.04x = 1,704,717.72
  5. Step 5: Solve for x
    x = 1,704,717.72/1,624.04
  6. Step 6: Final answer
    x = 1,049.68

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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.