Home / 3,820.14-5,261.83-2,699.08

Finding the Fourth Proportional to 3,820.14, 5,261.83 and 2,699.08

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Solution

The fourth proportional to 3,820.14, 5,261.83 and 2,699.08 is: 3,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.14 : 5,261.83 = 2,699.08 : x
  2. Step 2: Convert to fraction form
    3,820.14/5,261.83 = 2,699.08/x
  3. Step 3: Cross multiply
    3,820.14x = 5,261.83 × 2,699.08
  4. Step 4: Simplify right side
    3,820.14x = 14,202,080.21
  5. Step 5: Solve for x
    x = 14,202,080.21/3,820.14
  6. Step 6: Final answer
    x = 3,717.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.