Home / 2,756.38-3,803.79-1,497.43

Finding the Fourth Proportional to 2,756.38, 3,803.79 and 1,497.43

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Solution

The fourth proportional to 2,756.38, 3,803.79 and 1,497.43 is: 2,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.38 : 3,803.79 = 1,497.43 : x
  2. Step 2: Convert to fraction form
    2,756.38/3,803.79 = 1,497.43/x
  3. Step 3: Cross multiply
    2,756.38x = 3,803.79 × 1,497.43
  4. Step 4: Simplify right side
    2,756.38x = 5,695,892.62
  5. Step 5: Solve for x
    x = 5,695,892.62/2,756.38
  6. Step 6: Final answer
    x = 2,066.44

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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.