Home / 3,538.28-4,881.46-2,279.16

Finding the Fourth Proportional to 3,538.28, 4,881.46 and 2,279.16

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Solution

The fourth proportional to 3,538.28, 4,881.46 and 2,279.16 is: 3,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.28 : 4,881.46 = 2,279.16 : x
  2. Step 2: Convert to fraction form
    3,538.28/4,881.46 = 2,279.16/x
  3. Step 3: Cross multiply
    3,538.28x = 4,881.46 × 2,279.16
  4. Step 4: Simplify right side
    3,538.28x = 11,125,628.37
  5. Step 5: Solve for x
    x = 11,125,628.37/3,538.28
  6. Step 6: Final answer
    x = 3,144.36

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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.