Home / 2,944.08-4,039.20-2,867.40

Finding the Fourth Proportional to 2,944.08, 4,039.20 and 2,867.40

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Solution

The fourth proportional to 2,944.08, 4,039.20 and 2,867.40 is: 3,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.08 : 4,039.20 = 2,867.40 : x
  2. Step 2: Convert to fraction form
    2,944.08/4,039.20 = 2,867.40/x
  3. Step 3: Cross multiply
    2,944.08x = 4,039.20 × 2,867.40
  4. Step 4: Simplify right side
    2,944.08x = 11,582,002.08
  5. Step 5: Solve for x
    x = 11,582,002.08/2,944.08
  6. Step 6: Final answer
    x = 3,934.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.