Home / 2,474.88-3,709.65-1,239.84

Finding the Fourth Proportional to 2,474.88, 3,709.65 and 1,239.84

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Solution

The fourth proportional to 2,474.88, 3,709.65 and 1,239.84 is: 1,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.88 : 3,709.65 = 1,239.84 : x
  2. Step 2: Convert to fraction form
    2,474.88/3,709.65 = 1,239.84/x
  3. Step 3: Cross multiply
    2,474.88x = 3,709.65 × 1,239.84
  4. Step 4: Simplify right side
    2,474.88x = 4,599,372.46
  5. Step 5: Solve for x
    x = 4,599,372.46/2,474.88
  6. Step 6: Final answer
    x = 1,858.42

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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.