Home / 3,257.90-4,877.47-2,919.83

Finding the Fourth Proportional to 3,257.90, 4,877.47 and 2,919.83

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Solution

The fourth proportional to 3,257.90, 4,877.47 and 2,919.83 is: 4,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.90 : 4,877.47 = 2,919.83 : x
  2. Step 2: Convert to fraction form
    3,257.90/4,877.47 = 2,919.83/x
  3. Step 3: Cross multiply
    3,257.90x = 4,877.47 × 2,919.83
  4. Step 4: Simplify right side
    3,257.90x = 14,241,358.84
  5. Step 5: Solve for x
    x = 14,241,358.84/3,257.90
  6. Step 6: Final answer
    x = 4,371.34

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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.