Home / 2,677.24-4,013.43-1,289.71

Finding the Fourth Proportional to 2,677.24, 4,013.43 and 1,289.71

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Solution

The fourth proportional to 2,677.24, 4,013.43 and 1,289.71 is: 1,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.24 : 4,013.43 = 1,289.71 : x
  2. Step 2: Convert to fraction form
    2,677.24/4,013.43 = 1,289.71/x
  3. Step 3: Cross multiply
    2,677.24x = 4,013.43 × 1,289.71
  4. Step 4: Simplify right side
    2,677.24x = 5,176,160.81
  5. Step 5: Solve for x
    x = 5,176,160.81/2,677.24
  6. Step 6: Final answer
    x = 1,933.39

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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.