Home / 2,928.49-4,049.09-2,559.43

Finding the Fourth Proportional to 2,928.49, 4,049.09 and 2,559.43

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Solution

The fourth proportional to 2,928.49, 4,049.09 and 2,559.43 is: 3,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.49 : 4,049.09 = 2,559.43 : x
  2. Step 2: Convert to fraction form
    2,928.49/4,049.09 = 2,559.43/x
  3. Step 3: Cross multiply
    2,928.49x = 4,049.09 × 2,559.43
  4. Step 4: Simplify right side
    2,928.49x = 10,363,364.28
  5. Step 5: Solve for x
    x = 10,363,364.28/2,928.49
  6. Step 6: Final answer
    x = 3,538.81

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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.