Home / 3,330.08-4,994.96-1,380.80

Finding the Fourth Proportional to 3,330.08, 4,994.96 and 1,380.80

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Solution

The fourth proportional to 3,330.08, 4,994.96 and 1,380.80 is: 2,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.08 : 4,994.96 = 1,380.80 : x
  2. Step 2: Convert to fraction form
    3,330.08/4,994.96 = 1,380.80/x
  3. Step 3: Cross multiply
    3,330.08x = 4,994.96 × 1,380.80
  4. Step 4: Simplify right side
    3,330.08x = 6,897,040.77
  5. Step 5: Solve for x
    x = 6,897,040.77/3,330.08
  6. Step 6: Final answer
    x = 2,071.13

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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.