Home / 3,330.50-4,994.28-1,770.12

Finding the Fourth Proportional to 3,330.50, 4,994.28 and 1,770.12

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Solution

The fourth proportional to 3,330.50, 4,994.28 and 1,770.12 is: 2,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.50 : 4,994.28 = 1,770.12 : x
  2. Step 2: Convert to fraction form
    3,330.50/4,994.28 = 1,770.12/x
  3. Step 3: Cross multiply
    3,330.50x = 4,994.28 × 1,770.12
  4. Step 4: Simplify right side
    3,330.50x = 8,840,474.91
  5. Step 5: Solve for x
    x = 8,840,474.91/3,330.50
  6. Step 6: Final answer
    x = 2,654.40

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Half scale
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Double scale
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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.