Home / 2,419.91-3,631.08-1,804.85

Finding the Fourth Proportional to 2,419.91, 3,631.08 and 1,804.85

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Solution

The fourth proportional to 2,419.91, 3,631.08 and 1,804.85 is: 2,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.91 : 3,631.08 = 1,804.85 : x
  2. Step 2: Convert to fraction form
    2,419.91/3,631.08 = 1,804.85/x
  3. Step 3: Cross multiply
    2,419.91x = 3,631.08 × 1,804.85
  4. Step 4: Simplify right side
    2,419.91x = 6,553,554.74
  5. Step 5: Solve for x
    x = 6,553,554.74/2,419.91
  6. Step 6: Final answer
    x = 2,708.18

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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.