Home / 3,701.12-5,570.24-2,781.44

Finding the Fourth Proportional to 3,701.12, 5,570.24 and 2,781.44

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Solution

The fourth proportional to 3,701.12, 5,570.24 and 2,781.44 is: 4,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.12 : 5,570.24 = 2,781.44 : x
  2. Step 2: Convert to fraction form
    3,701.12/5,570.24 = 2,781.44/x
  3. Step 3: Cross multiply
    3,701.12x = 5,570.24 × 2,781.44
  4. Step 4: Simplify right side
    3,701.12x = 15,493,288.35
  5. Step 5: Solve for x
    x = 15,493,288.35/3,701.12
  6. Step 6: Final answer
    x = 4,186.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.