Home / 2,786.84-4,176.68-1,141.41

Finding the Fourth Proportional to 2,786.84, 4,176.68 and 1,141.41

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Solution

The fourth proportional to 2,786.84, 4,176.68 and 1,141.41 is: 1,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.84 : 4,176.68 = 1,141.41 : x
  2. Step 2: Convert to fraction form
    2,786.84/4,176.68 = 1,141.41/x
  3. Step 3: Cross multiply
    2,786.84x = 4,176.68 × 1,141.41
  4. Step 4: Simplify right side
    2,786.84x = 4,767,298.61
  5. Step 5: Solve for x
    x = 4,767,298.61/2,786.84
  6. Step 6: Final answer
    x = 1,710.65

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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.