Home / 3,733.90-5,152.21-2,161.69

Finding the Fourth Proportional to 3,733.90, 5,152.21 and 2,161.69

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Solution

The fourth proportional to 3,733.90, 5,152.21 and 2,161.69 is: 2,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,733.90 : 5,152.21 = 2,161.69 : x
  2. Step 2: Convert to fraction form
    3,733.90/5,152.21 = 2,161.69/x
  3. Step 3: Cross multiply
    3,733.90x = 5,152.21 × 2,161.69
  4. Step 4: Simplify right side
    3,733.90x = 11,137,462.55
  5. Step 5: Solve for x
    x = 11,137,462.55/3,733.90
  6. Step 6: Final answer
    x = 2,982.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.