Home / 1,836.74-2,756.14-1,426.70

Finding the Fourth Proportional to 1,836.74, 2,756.14 and 1,426.70

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Solution

The fourth proportional to 1,836.74, 2,756.14 and 1,426.70 is: 2,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.74 : 2,756.14 = 1,426.70 : x
  2. Step 2: Convert to fraction form
    1,836.74/2,756.14 = 1,426.70/x
  3. Step 3: Cross multiply
    1,836.74x = 2,756.14 × 1,426.70
  4. Step 4: Simplify right side
    1,836.74x = 3,932,184.94
  5. Step 5: Solve for x
    x = 3,932,184.94/1,836.74
  6. Step 6: Final answer
    x = 2,140.85

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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.