Home / 1,857.28-2,767.24-1,830.56

Finding the Fourth Proportional to 1,857.28, 2,767.24 and 1,830.56

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Solution

The fourth proportional to 1,857.28, 2,767.24 and 1,830.56 is: 2,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.28 : 2,767.24 = 1,830.56 : x
  2. Step 2: Convert to fraction form
    1,857.28/2,767.24 = 1,830.56/x
  3. Step 3: Cross multiply
    1,857.28x = 2,767.24 × 1,830.56
  4. Step 4: Simplify right side
    1,857.28x = 5,065,598.85
  5. Step 5: Solve for x
    x = 5,065,598.85/1,857.28
  6. Step 6: Final answer
    x = 2,727.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.