Home / 3,554.70-4,904.64-2,137.90

Finding the Fourth Proportional to 3,554.70, 4,904.64 and 2,137.90

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Solution

The fourth proportional to 3,554.70, 4,904.64 and 2,137.90 is: 2,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.70 : 4,904.64 = 2,137.90 : x
  2. Step 2: Convert to fraction form
    3,554.70/4,904.64 = 2,137.90/x
  3. Step 3: Cross multiply
    3,554.70x = 4,904.64 × 2,137.90
  4. Step 4: Simplify right side
    3,554.70x = 10,485,629.86
  5. Step 5: Solve for x
    x = 10,485,629.86/3,554.70
  6. Step 6: Final answer
    x = 2,949.79

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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.