Home / 2,944.20-4,406.70-2,291.40

Finding the Fourth Proportional to 2,944.20, 4,406.70 and 2,291.40

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Solution

The fourth proportional to 2,944.20, 4,406.70 and 2,291.40 is: 3,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.20 : 4,406.70 = 2,291.40 : x
  2. Step 2: Convert to fraction form
    2,944.20/4,406.70 = 2,291.40/x
  3. Step 3: Cross multiply
    2,944.20x = 4,406.70 × 2,291.40
  4. Step 4: Simplify right side
    2,944.20x = 10,097,512.38
  5. Step 5: Solve for x
    x = 10,097,512.38/2,944.20
  6. Step 6: Final answer
    x = 3,429.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.