Home / 3,336.08-5,005.92-1,389.62

Finding the Fourth Proportional to 3,336.08, 5,005.92 and 1,389.62

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Solution

The fourth proportional to 3,336.08, 5,005.92 and 1,389.62 is: 2,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.08 : 5,005.92 = 1,389.62 : x
  2. Step 2: Convert to fraction form
    3,336.08/5,005.92 = 1,389.62/x
  3. Step 3: Cross multiply
    3,336.08x = 5,005.92 × 1,389.62
  4. Step 4: Simplify right side
    3,336.08x = 6,956,326.55
  5. Step 5: Solve for x
    x = 6,956,326.55/3,336.08
  6. Step 6: Final answer
    x = 2,085.18

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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.