Home / 3,789.95-5,672.76-2,030.57

Finding the Fourth Proportional to 3,789.95, 5,672.76 and 2,030.57

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Solution

The fourth proportional to 3,789.95, 5,672.76 and 2,030.57 is: 3,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.95 : 5,672.76 = 2,030.57 : x
  2. Step 2: Convert to fraction form
    3,789.95/5,672.76 = 2,030.57/x
  3. Step 3: Cross multiply
    3,789.95x = 5,672.76 × 2,030.57
  4. Step 4: Simplify right side
    3,789.95x = 11,518,936.27
  5. Step 5: Solve for x
    x = 11,518,936.27/3,789.95
  6. Step 6: Final answer
    x = 3,039.34

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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.