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Finding the Fourth Proportional to 2,082.86, 3,124.74 and 622.14

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Solution

The fourth proportional to 2,082.86, 3,124.74 and 622.14 is: 933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.86 : 3,124.74 = 622.14 : x
  2. Step 2: Convert to fraction form
    2,082.86/3,124.74 = 622.14/x
  3. Step 3: Cross multiply
    2,082.86x = 3,124.74 × 622.14
  4. Step 4: Simplify right side
    2,082.86x = 1,944,025.74
  5. Step 5: Solve for x
    x = 1,944,025.74/2,082.86
  6. Step 6: Final answer
    x = 933.34

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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.