Home / 2,857.17-3,942.68-1,598.13

Finding the Fourth Proportional to 2,857.17, 3,942.68 and 1,598.13

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Solution

The fourth proportional to 2,857.17, 3,942.68 and 1,598.13 is: 2,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.17 : 3,942.68 = 1,598.13 : x
  2. Step 2: Convert to fraction form
    2,857.17/3,942.68 = 1,598.13/x
  3. Step 3: Cross multiply
    2,857.17x = 3,942.68 × 1,598.13
  4. Step 4: Simplify right side
    2,857.17x = 6,300,907.20
  5. Step 5: Solve for x
    x = 6,300,907.20/2,857.17
  6. Step 6: Final answer
    x = 2,205.29

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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.