Home / 3,538.94-4,884.01-2,122.68

Finding the Fourth Proportional to 3,538.94, 4,884.01 and 2,122.68

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Solution

The fourth proportional to 3,538.94, 4,884.01 and 2,122.68 is: 2,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.94 : 4,884.01 = 2,122.68 : x
  2. Step 2: Convert to fraction form
    3,538.94/4,884.01 = 2,122.68/x
  3. Step 3: Cross multiply
    3,538.94x = 4,884.01 × 2,122.68
  4. Step 4: Simplify right side
    3,538.94x = 10,367,192.60
  5. Step 5: Solve for x
    x = 10,367,192.60/3,538.94
  6. Step 6: Final answer
    x = 2,929.46

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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.