Home / 3,328.83-4,994.40-1,480.11

Finding the Fourth Proportional to 3,328.83, 4,994.40 and 1,480.11

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Solution

The fourth proportional to 3,328.83, 4,994.40 and 1,480.11 is: 2,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.83 : 4,994.40 = 1,480.11 : x
  2. Step 2: Convert to fraction form
    3,328.83/4,994.40 = 1,480.11/x
  3. Step 3: Cross multiply
    3,328.83x = 4,994.40 × 1,480.11
  4. Step 4: Simplify right side
    3,328.83x = 7,392,261.38
  5. Step 5: Solve for x
    x = 7,392,261.38/3,328.83
  6. Step 6: Final answer
    x = 2,220.68

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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.