Home / 3,890.47-5,817.97-2,903.98

Finding the Fourth Proportional to 3,890.47, 5,817.97 and 2,903.98

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Solution

The fourth proportional to 3,890.47, 5,817.97 and 2,903.98 is: 4,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.47 : 5,817.97 = 2,903.98 : x
  2. Step 2: Convert to fraction form
    3,890.47/5,817.97 = 2,903.98/x
  3. Step 3: Cross multiply
    3,890.47x = 5,817.97 × 2,903.98
  4. Step 4: Simplify right side
    3,890.47x = 16,895,268.52
  5. Step 5: Solve for x
    x = 16,895,268.52/3,890.47
  6. Step 6: Final answer
    x = 4,342.73

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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.