Home / 3,220.32-4,830.48-2,248.32

Finding the Fourth Proportional to 3,220.32, 4,830.48 and 2,248.32

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Solution

The fourth proportional to 3,220.32, 4,830.48 and 2,248.32 is: 3,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.32 : 4,830.48 = 2,248.32 : x
  2. Step 2: Convert to fraction form
    3,220.32/4,830.48 = 2,248.32/x
  3. Step 3: Cross multiply
    3,220.32x = 4,830.48 × 2,248.32
  4. Step 4: Simplify right side
    3,220.32x = 10,860,464.79
  5. Step 5: Solve for x
    x = 10,860,464.79/3,220.32
  6. Step 6: Final answer
    x = 3,372.48

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1.5x scale

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.