Home / 3,770.49-5,655.33-1,305.12

Finding the Fourth Proportional to 3,770.49, 5,655.33 and 1,305.12

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Solution

The fourth proportional to 3,770.49, 5,655.33 and 1,305.12 is: 1,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.49 : 5,655.33 = 1,305.12 : x
  2. Step 2: Convert to fraction form
    3,770.49/5,655.33 = 1,305.12/x
  3. Step 3: Cross multiply
    3,770.49x = 5,655.33 × 1,305.12
  4. Step 4: Simplify right side
    3,770.49x = 7,380,884.29
  5. Step 5: Solve for x
    x = 7,380,884.29/3,770.49
  6. Step 6: Final answer
    x = 1,957.54

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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.