Home / 4,140.38-5,713.54-2,347.79

Finding the Fourth Proportional to 4,140.38, 5,713.54 and 2,347.79

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Solution

The fourth proportional to 4,140.38, 5,713.54 and 2,347.79 is: 3,239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.38 : 5,713.54 = 2,347.79 : x
  2. Step 2: Convert to fraction form
    4,140.38/5,713.54 = 2,347.79/x
  3. Step 3: Cross multiply
    4,140.38x = 5,713.54 × 2,347.79
  4. Step 4: Simplify right side
    4,140.38x = 13,414,157.64
  5. Step 5: Solve for x
    x = 13,414,157.64/4,140.38
  6. Step 6: Final answer
    x = 3,239.84

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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.