Home / 2,125.08-2,933.01-1,338.57

Finding the Fourth Proportional to 2,125.08, 2,933.01 and 1,338.57

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Solution

The fourth proportional to 2,125.08, 2,933.01 and 1,338.57 is: 1,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.08 : 2,933.01 = 1,338.57 : x
  2. Step 2: Convert to fraction form
    2,125.08/2,933.01 = 1,338.57/x
  3. Step 3: Cross multiply
    2,125.08x = 2,933.01 × 1,338.57
  4. Step 4: Simplify right side
    2,125.08x = 3,926,039.20
  5. Step 5: Solve for x
    x = 3,926,039.20/2,125.08
  6. Step 6: Final answer
    x = 1,847.48

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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.