Home / 1,811.38-2,503.23-1,474.63

Finding the Fourth Proportional to 1,811.38, 2,503.23 and 1,474.63

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Solution

The fourth proportional to 1,811.38, 2,503.23 and 1,474.63 is: 2,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.38 : 2,503.23 = 1,474.63 : x
  2. Step 2: Convert to fraction form
    1,811.38/2,503.23 = 1,474.63/x
  3. Step 3: Cross multiply
    1,811.38x = 2,503.23 × 1,474.63
  4. Step 4: Simplify right side
    1,811.38x = 3,691,338.05
  5. Step 5: Solve for x
    x = 3,691,338.05/1,811.38
  6. Step 6: Final answer
    x = 2,037.86

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1.5x scale

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.