Home / 3,122.45-4,309.08-2,061.14

Finding the Fourth Proportional to 3,122.45, 4,309.08 and 2,061.14

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Solution

The fourth proportional to 3,122.45, 4,309.08 and 2,061.14 is: 2,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.45 : 4,309.08 = 2,061.14 : x
  2. Step 2: Convert to fraction form
    3,122.45/4,309.08 = 2,061.14/x
  3. Step 3: Cross multiply
    3,122.45x = 4,309.08 × 2,061.14
  4. Step 4: Simplify right side
    3,122.45x = 8,881,617.15
  5. Step 5: Solve for x
    x = 8,881,617.15/3,122.45
  6. Step 6: Final answer
    x = 2,844.44

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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.