Home / 3,898.26-5,848.36-1,125.14

Finding the Fourth Proportional to 3,898.26, 5,848.36 and 1,125.14

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Solution

The fourth proportional to 3,898.26, 5,848.36 and 1,125.14 is: 1,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.26 : 5,848.36 = 1,125.14 : x
  2. Step 2: Convert to fraction form
    3,898.26/5,848.36 = 1,125.14/x
  3. Step 3: Cross multiply
    3,898.26x = 5,848.36 × 1,125.14
  4. Step 4: Simplify right side
    3,898.26x = 6,580,223.77
  5. Step 5: Solve for x
    x = 6,580,223.77/3,898.26
  6. Step 6: Final answer
    x = 1,687.99

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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.