Home / 2,857.14-3,942.82-1,598.18

Finding the Fourth Proportional to 2,857.14, 3,942.82 and 1,598.18

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Solution

The fourth proportional to 2,857.14, 3,942.82 and 1,598.18 is: 2,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.14 : 3,942.82 = 1,598.18 : x
  2. Step 2: Convert to fraction form
    2,857.14/3,942.82 = 1,598.18/x
  3. Step 3: Cross multiply
    2,857.14x = 3,942.82 × 1,598.18
  4. Step 4: Simplify right side
    2,857.14x = 6,301,318.35
  5. Step 5: Solve for x
    x = 6,301,318.35/2,857.14
  6. Step 6: Final answer
    x = 2,205.46

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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.