Home / 3,553.19-4,900.86-2,372.21

Finding the Fourth Proportional to 3,553.19, 4,900.86 and 2,372.21

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Solution

The fourth proportional to 3,553.19, 4,900.86 and 2,372.21 is: 3,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.19 : 4,900.86 = 2,372.21 : x
  2. Step 2: Convert to fraction form
    3,553.19/4,900.86 = 2,372.21/x
  3. Step 3: Cross multiply
    3,553.19x = 4,900.86 × 2,372.21
  4. Step 4: Simplify right side
    3,553.19x = 11,625,869.10
  5. Step 5: Solve for x
    x = 11,625,869.10/3,553.19
  6. Step 6: Final answer
    x = 3,271.95

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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.