Home / 3,890.18-5,835.42-1,293.06

Finding the Fourth Proportional to 3,890.18, 5,835.42 and 1,293.06

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Solution

The fourth proportional to 3,890.18, 5,835.42 and 1,293.06 is: 1,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.18 : 5,835.42 = 1,293.06 : x
  2. Step 2: Convert to fraction form
    3,890.18/5,835.42 = 1,293.06/x
  3. Step 3: Cross multiply
    3,890.18x = 5,835.42 × 1,293.06
  4. Step 4: Simplify right side
    3,890.18x = 7,545,548.19
  5. Step 5: Solve for x
    x = 7,545,548.19/3,890.18
  6. Step 6: Final answer
    x = 1,939.64

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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.