Home / 3,890.08-5,833.88-1,257.03

Finding the Fourth Proportional to 3,890.08, 5,833.88 and 1,257.03

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Solution

The fourth proportional to 3,890.08, 5,833.88 and 1,257.03 is: 1,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.08 : 5,833.88 = 1,257.03 : x
  2. Step 2: Convert to fraction form
    3,890.08/5,833.88 = 1,257.03/x
  3. Step 3: Cross multiply
    3,890.08x = 5,833.88 × 1,257.03
  4. Step 4: Simplify right side
    3,890.08x = 7,333,342.00
  5. Step 5: Solve for x
    x = 7,333,342.00/3,890.08
  6. Step 6: Final answer
    x = 1,885.14

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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.