Home / 3,114-4,296.18-1,786.80

Finding the Fourth Proportional to 3,114, 4,296.18 and 1,786.80

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Solution

The fourth proportional to 3,114, 4,296.18 and 1,786.80 is: 2,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114 : 4,296.18 = 1,786.80 : x
  2. Step 2: Convert to fraction form
    3,114/4,296.18 = 1,786.80/x
  3. Step 3: Cross multiply
    3,114x = 4,296.18 × 1,786.80
  4. Step 4: Simplify right side
    3,114x = 7,676,414.42
  5. Step 5: Solve for x
    x = 7,676,414.42/3,114
  6. Step 6: Final answer
    x = 2,465.13

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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.