Home / 3,223.22-4,447.77-1,787.62

Finding the Fourth Proportional to 3,223.22, 4,447.77 and 1,787.62

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Solution

The fourth proportional to 3,223.22, 4,447.77 and 1,787.62 is: 2,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.22 : 4,447.77 = 1,787.62 : x
  2. Step 2: Convert to fraction form
    3,223.22/4,447.77 = 1,787.62/x
  3. Step 3: Cross multiply
    3,223.22x = 4,447.77 × 1,787.62
  4. Step 4: Simplify right side
    3,223.22x = 7,950,913.67
  5. Step 5: Solve for x
    x = 7,950,913.67/3,223.22
  6. Step 6: Final answer
    x = 2,466.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.