Home / 3,782.31-5,220.14-2,269.94

Finding the Fourth Proportional to 3,782.31, 5,220.14 and 2,269.94

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Solution

The fourth proportional to 3,782.31, 5,220.14 and 2,269.94 is: 3,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.31 : 5,220.14 = 2,269.94 : x
  2. Step 2: Convert to fraction form
    3,782.31/5,220.14 = 2,269.94/x
  3. Step 3: Cross multiply
    3,782.31x = 5,220.14 × 2,269.94
  4. Step 4: Simplify right side
    3,782.31x = 11,849,393.24
  5. Step 5: Solve for x
    x = 11,849,393.24/3,782.31
  6. Step 6: Final answer
    x = 3,132.85

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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.