Home / 3,336.50-5,005.32-1,487.57

Finding the Fourth Proportional to 3,336.50, 5,005.32 and 1,487.57

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Solution

The fourth proportional to 3,336.50, 5,005.32 and 1,487.57 is: 2,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.50 : 5,005.32 = 1,487.57 : x
  2. Step 2: Convert to fraction form
    3,336.50/5,005.32 = 1,487.57/x
  3. Step 3: Cross multiply
    3,336.50x = 5,005.32 × 1,487.57
  4. Step 4: Simplify right side
    3,336.50x = 7,445,763.87
  5. Step 5: Solve for x
    x = 7,445,763.87/3,336.50
  6. Step 6: Final answer
    x = 2,231.61

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1.5x scale

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.