Home / 3,721.58-5,134.92-2,228.94

Finding the Fourth Proportional to 3,721.58, 5,134.92 and 2,228.94

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Solution

The fourth proportional to 3,721.58, 5,134.92 and 2,228.94 is: 3,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.58 : 5,134.92 = 2,228.94 : x
  2. Step 2: Convert to fraction form
    3,721.58/5,134.92 = 2,228.94/x
  3. Step 3: Cross multiply
    3,721.58x = 5,134.92 × 2,228.94
  4. Step 4: Simplify right side
    3,721.58x = 11,445,428.58
  5. Step 5: Solve for x
    x = 11,445,428.58/3,721.58
  6. Step 6: Final answer
    x = 3,075.42

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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.