Home / 2,784.59-3,844.03-1,790.44

Finding the Fourth Proportional to 2,784.59, 3,844.03 and 1,790.44

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Solution

The fourth proportional to 2,784.59, 3,844.03 and 1,790.44 is: 2,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.59 : 3,844.03 = 1,790.44 : x
  2. Step 2: Convert to fraction form
    2,784.59/3,844.03 = 1,790.44/x
  3. Step 3: Cross multiply
    2,784.59x = 3,844.03 × 1,790.44
  4. Step 4: Simplify right side
    2,784.59x = 6,882,499.38
  5. Step 5: Solve for x
    x = 6,882,499.38/2,784.59
  6. Step 6: Final answer
    x = 2,471.64

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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.