Home / 3,438.33-4,743.36-2,177.16

Finding the Fourth Proportional to 3,438.33, 4,743.36 and 2,177.16

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Solution

The fourth proportional to 3,438.33, 4,743.36 and 2,177.16 is: 3,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.33 : 4,743.36 = 2,177.16 : x
  2. Step 2: Convert to fraction form
    3,438.33/4,743.36 = 2,177.16/x
  3. Step 3: Cross multiply
    3,438.33x = 4,743.36 × 2,177.16
  4. Step 4: Simplify right side
    3,438.33x = 10,327,053.66
  5. Step 5: Solve for x
    x = 10,327,053.66/3,438.33
  6. Step 6: Final answer
    x = 3,003.51

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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.