Home / 3,653.35-5,479.90-1,020.85

Finding the Fourth Proportional to 3,653.35, 5,479.90 and 1,020.85

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Solution

The fourth proportional to 3,653.35, 5,479.90 and 1,020.85 is: 1,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.35 : 5,479.90 = 1,020.85 : x
  2. Step 2: Convert to fraction form
    3,653.35/5,479.90 = 1,020.85/x
  3. Step 3: Cross multiply
    3,653.35x = 5,479.90 × 1,020.85
  4. Step 4: Simplify right side
    3,653.35x = 5,594,176.23
  5. Step 5: Solve for x
    x = 5,594,176.23/3,653.35
  6. Step 6: Final answer
    x = 1,531.24

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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.