Home / 1,815.44-2,490.24-1,799.86

Finding the Fourth Proportional to 1,815.44, 2,490.24 and 1,799.86

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Solution

The fourth proportional to 1,815.44, 2,490.24 and 1,799.86 is: 2,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.44 : 2,490.24 = 1,799.86 : x
  2. Step 2: Convert to fraction form
    1,815.44/2,490.24 = 1,799.86/x
  3. Step 3: Cross multiply
    1,815.44x = 2,490.24 × 1,799.86
  4. Step 4: Simplify right side
    1,815.44x = 4,482,083.37
  5. Step 5: Solve for x
    x = 4,482,083.37/1,815.44
  6. Step 6: Final answer
    x = 2,468.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.