Home / 2,677.14-4,017.64-1,139.22

Finding the Fourth Proportional to 2,677.14, 4,017.64 and 1,139.22

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Solution

The fourth proportional to 2,677.14, 4,017.64 and 1,139.22 is: 1,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.14 : 4,017.64 = 1,139.22 : x
  2. Step 2: Convert to fraction form
    2,677.14/4,017.64 = 1,139.22/x
  3. Step 3: Cross multiply
    2,677.14x = 4,017.64 × 1,139.22
  4. Step 4: Simplify right side
    2,677.14x = 4,576,975.84
  5. Step 5: Solve for x
    x = 4,576,975.84/2,677.14
  6. Step 6: Final answer
    x = 1,709.65

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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.