Home / 2,857.17-3,941.66-1,794.22

Finding the Fourth Proportional to 2,857.17, 3,941.66 and 1,794.22

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Solution

The fourth proportional to 2,857.17, 3,941.66 and 1,794.22 is: 2,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.17 : 3,941.66 = 1,794.22 : x
  2. Step 2: Convert to fraction form
    2,857.17/3,941.66 = 1,794.22/x
  3. Step 3: Cross multiply
    2,857.17x = 3,941.66 × 1,794.22
  4. Step 4: Simplify right side
    2,857.17x = 7,072,199.84
  5. Step 5: Solve for x
    x = 7,072,199.84/2,857.17
  6. Step 6: Final answer
    x = 2,475.24

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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.