Home / 3,889.04-5,834.30-1,257.26

Finding the Fourth Proportional to 3,889.04, 5,834.30 and 1,257.26

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Solution

The fourth proportional to 3,889.04, 5,834.30 and 1,257.26 is: 1,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.04 : 5,834.30 = 1,257.26 : x
  2. Step 2: Convert to fraction form
    3,889.04/5,834.30 = 1,257.26/x
  3. Step 3: Cross multiply
    3,889.04x = 5,834.30 × 1,257.26
  4. Step 4: Simplify right side
    3,889.04x = 7,335,196.56
  5. Step 5: Solve for x
    x = 7,335,196.56/3,889.04
  6. Step 6: Final answer
    x = 1,886.12

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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.