Home / 3,709.15-5,564.75-1,858.03

Finding the Fourth Proportional to 3,709.15, 5,564.75 and 1,858.03

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Solution

The fourth proportional to 3,709.15, 5,564.75 and 1,858.03 is: 2,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.15 : 5,564.75 = 1,858.03 : x
  2. Step 2: Convert to fraction form
    3,709.15/5,564.75 = 1,858.03/x
  3. Step 3: Cross multiply
    3,709.15x = 5,564.75 × 1,858.03
  4. Step 4: Simplify right side
    3,709.15x = 10,339,449.24
  5. Step 5: Solve for x
    x = 10,339,449.24/3,709.15
  6. Step 6: Final answer
    x = 2,787.55

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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.