Home / 3,789.18-5,671.65-2,029.80

Finding the Fourth Proportional to 3,789.18, 5,671.65 and 2,029.80

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Solution

The fourth proportional to 3,789.18, 5,671.65 and 2,029.80 is: 3,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.18 : 5,671.65 = 2,029.80 : x
  2. Step 2: Convert to fraction form
    3,789.18/5,671.65 = 2,029.80/x
  3. Step 3: Cross multiply
    3,789.18x = 5,671.65 × 2,029.80
  4. Step 4: Simplify right side
    3,789.18x = 11,512,315.17
  5. Step 5: Solve for x
    x = 11,512,315.17/3,789.18
  6. Step 6: Final answer
    x = 3,038.21

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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.