Home / 2,347.88-3,538.39-2,201.96

Finding the Fourth Proportional to 2,347.88, 3,538.39 and 2,201.96

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Solution

The fourth proportional to 2,347.88, 3,538.39 and 2,201.96 is: 3,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.88 : 3,538.39 = 2,201.96 : x
  2. Step 2: Convert to fraction form
    2,347.88/3,538.39 = 2,201.96/x
  3. Step 3: Cross multiply
    2,347.88x = 3,538.39 × 2,201.96
  4. Step 4: Simplify right side
    2,347.88x = 7,791,393.24
  5. Step 5: Solve for x
    x = 7,791,393.24/2,347.88
  6. Step 6: Final answer
    x = 3,318.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.