Home / 3,623.11-5,438.31-2,646.25

Finding the Fourth Proportional to 3,623.11, 5,438.31 and 2,646.25

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Solution

The fourth proportional to 3,623.11, 5,438.31 and 2,646.25 is: 3,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.11 : 5,438.31 = 2,646.25 : x
  2. Step 2: Convert to fraction form
    3,623.11/5,438.31 = 2,646.25/x
  3. Step 3: Cross multiply
    3,623.11x = 5,438.31 × 2,646.25
  4. Step 4: Simplify right side
    3,623.11x = 14,391,127.84
  5. Step 5: Solve for x
    x = 14,391,127.84/3,623.11
  6. Step 6: Final answer
    x = 3,972.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.