Home / 3,733.34-5,151.33-2,139.66

Finding the Fourth Proportional to 3,733.34, 5,151.33 and 2,139.66

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Solution

The fourth proportional to 3,733.34, 5,151.33 and 2,139.66 is: 2,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,733.34 : 5,151.33 = 2,139.66 : x
  2. Step 2: Convert to fraction form
    3,733.34/5,151.33 = 2,139.66/x
  3. Step 3: Cross multiply
    3,733.34x = 5,151.33 × 2,139.66
  4. Step 4: Simplify right side
    3,733.34x = 11,022,094.75
  5. Step 5: Solve for x
    x = 11,022,094.75/3,733.34
  6. Step 6: Final answer
    x = 2,952.35

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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.