Home / 1,977.46-2,727.90-1,836.74

Finding the Fourth Proportional to 1,977.46, 2,727.90 and 1,836.74

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Solution

The fourth proportional to 1,977.46, 2,727.90 and 1,836.74 is: 2,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.46 : 2,727.90 = 1,836.74 : x
  2. Step 2: Convert to fraction form
    1,977.46/2,727.90 = 1,836.74/x
  3. Step 3: Cross multiply
    1,977.46x = 2,727.90 × 1,836.74
  4. Step 4: Simplify right side
    1,977.46x = 5,010,449.87
  5. Step 5: Solve for x
    x = 5,010,449.87/1,977.46
  6. Step 6: Final answer
    x = 2,533.78

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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.