Home / 3,319.38-4,580.73-1,994.22

Finding the Fourth Proportional to 3,319.38, 4,580.73 and 1,994.22

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Solution

The fourth proportional to 3,319.38, 4,580.73 and 1,994.22 is: 2,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.38 : 4,580.73 = 1,994.22 : x
  2. Step 2: Convert to fraction form
    3,319.38/4,580.73 = 1,994.22/x
  3. Step 3: Cross multiply
    3,319.38x = 4,580.73 × 1,994.22
  4. Step 4: Simplify right side
    3,319.38x = 9,134,983.38
  5. Step 5: Solve for x
    x = 9,134,983.38/3,319.38
  6. Step 6: Final answer
    x = 2,752.01

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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.