Home / 3,505.80-5,254.72-1,770.76

Finding the Fourth Proportional to 3,505.80, 5,254.72 and 1,770.76

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Solution

The fourth proportional to 3,505.80, 5,254.72 and 1,770.76 is: 2,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.80 : 5,254.72 = 1,770.76 : x
  2. Step 2: Convert to fraction form
    3,505.80/5,254.72 = 1,770.76/x
  3. Step 3: Cross multiply
    3,505.80x = 5,254.72 × 1,770.76
  4. Step 4: Simplify right side
    3,505.80x = 9,304,847.99
  5. Step 5: Solve for x
    x = 9,304,847.99/3,505.80
  6. Step 6: Final answer
    x = 2,654.13

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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.