Home / 1,804.38-2,709.06-1,247.71

Finding the Fourth Proportional to 1,804.38, 2,709.06 and 1,247.71

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Solution

The fourth proportional to 1,804.38, 2,709.06 and 1,247.71 is: 1,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.38 : 2,709.06 = 1,247.71 : x
  2. Step 2: Convert to fraction form
    1,804.38/2,709.06 = 1,247.71/x
  3. Step 3: Cross multiply
    1,804.38x = 2,709.06 × 1,247.71
  4. Step 4: Simplify right side
    1,804.38x = 3,380,117.87
  5. Step 5: Solve for x
    x = 3,380,117.87/1,804.38
  6. Step 6: Final answer
    x = 1,873.28

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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.