Home / 3,624.95-5,436.42-1,284.65

Finding the Fourth Proportional to 3,624.95, 5,436.42 and 1,284.65

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Solution

The fourth proportional to 3,624.95, 5,436.42 and 1,284.65 is: 1,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.95 : 5,436.42 = 1,284.65 : x
  2. Step 2: Convert to fraction form
    3,624.95/5,436.42 = 1,284.65/x
  3. Step 3: Cross multiply
    3,624.95x = 5,436.42 × 1,284.65
  4. Step 4: Simplify right side
    3,624.95x = 6,983,869.77
  5. Step 5: Solve for x
    x = 6,983,869.77/3,624.95
  6. Step 6: Final answer
    x = 1,926.61

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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.