Home / 3,213.90-4,434.14-1,887.93

Finding the Fourth Proportional to 3,213.90, 4,434.14 and 1,887.93

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Solution

The fourth proportional to 3,213.90, 4,434.14 and 1,887.93 is: 2,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.90 : 4,434.14 = 1,887.93 : x
  2. Step 2: Convert to fraction form
    3,213.90/4,434.14 = 1,887.93/x
  3. Step 3: Cross multiply
    3,213.90x = 4,434.14 × 1,887.93
  4. Step 4: Simplify right side
    3,213.90x = 8,371,336.49
  5. Step 5: Solve for x
    x = 8,371,336.49/3,213.90
  6. Step 6: Final answer
    x = 2,604.73

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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.