Home / 2,981.14-4,114.12-1,654.80

Finding the Fourth Proportional to 2,981.14, 4,114.12 and 1,654.80

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Solution

The fourth proportional to 2,981.14, 4,114.12 and 1,654.80 is: 2,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.14 : 4,114.12 = 1,654.80 : x
  2. Step 2: Convert to fraction form
    2,981.14/4,114.12 = 1,654.80/x
  3. Step 3: Cross multiply
    2,981.14x = 4,114.12 × 1,654.80
  4. Step 4: Simplify right side
    2,981.14x = 6,808,045.78
  5. Step 5: Solve for x
    x = 6,808,045.78/2,981.14
  6. Step 6: Final answer
    x = 2,283.71

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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.