Home / 3,669.08-5,062.92-2,156.24

Finding the Fourth Proportional to 3,669.08, 5,062.92 and 2,156.24

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Solution

The fourth proportional to 3,669.08, 5,062.92 and 2,156.24 is: 2,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.08 : 5,062.92 = 2,156.24 : x
  2. Step 2: Convert to fraction form
    3,669.08/5,062.92 = 2,156.24/x
  3. Step 3: Cross multiply
    3,669.08x = 5,062.92 × 2,156.24
  4. Step 4: Simplify right side
    3,669.08x = 10,916,870.62
  5. Step 5: Solve for x
    x = 10,916,870.62/3,669.08
  6. Step 6: Final answer
    x = 2,975.37

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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.