Home / 2,942.86-4,061.26-1,684.14

Finding the Fourth Proportional to 2,942.86, 4,061.26 and 1,684.14

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Solution

The fourth proportional to 2,942.86, 4,061.26 and 1,684.14 is: 2,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.86 : 4,061.26 = 1,684.14 : x
  2. Step 2: Convert to fraction form
    2,942.86/4,061.26 = 1,684.14/x
  3. Step 3: Cross multiply
    2,942.86x = 4,061.26 × 1,684.14
  4. Step 4: Simplify right side
    2,942.86x = 6,839,730.42
  5. Step 5: Solve for x
    x = 6,839,730.42/2,942.86
  6. Step 6: Final answer
    x = 2,324.18

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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.