Home / 3,847.13-5,770.16-1,381.59

Finding the Fourth Proportional to 3,847.13, 5,770.16 and 1,381.59

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Solution

The fourth proportional to 3,847.13, 5,770.16 and 1,381.59 is: 2,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.13 : 5,770.16 = 1,381.59 : x
  2. Step 2: Convert to fraction form
    3,847.13/5,770.16 = 1,381.59/x
  3. Step 3: Cross multiply
    3,847.13x = 5,770.16 × 1,381.59
  4. Step 4: Simplify right side
    3,847.13x = 7,971,988.45
  5. Step 5: Solve for x
    x = 7,971,988.45/3,847.13
  6. Step 6: Final answer
    x = 2,072.19

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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.