Home / 3,944.70-5,437.13-2,823.86

Finding the Fourth Proportional to 3,944.70, 5,437.13 and 2,823.86

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Solution

The fourth proportional to 3,944.70, 5,437.13 and 2,823.86 is: 3,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.70 : 5,437.13 = 2,823.86 : x
  2. Step 2: Convert to fraction form
    3,944.70/5,437.13 = 2,823.86/x
  3. Step 3: Cross multiply
    3,944.70x = 5,437.13 × 2,823.86
  4. Step 4: Simplify right side
    3,944.70x = 15,353,693.40
  5. Step 5: Solve for x
    x = 15,353,693.40/3,944.70
  6. Step 6: Final answer
    x = 3,892.23

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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.