Home / 3,927.66-5,417.76-2,333.22

Finding the Fourth Proportional to 3,927.66, 5,417.76 and 2,333.22

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Solution

The fourth proportional to 3,927.66, 5,417.76 and 2,333.22 is: 3,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.66 : 5,417.76 = 2,333.22 : x
  2. Step 2: Convert to fraction form
    3,927.66/5,417.76 = 2,333.22/x
  3. Step 3: Cross multiply
    3,927.66x = 5,417.76 × 2,333.22
  4. Step 4: Simplify right side
    3,927.66x = 12,640,825.99
  5. Step 5: Solve for x
    x = 12,640,825.99/3,927.66
  6. Step 6: Final answer
    x = 3,218.42

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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.