Home / 2,278.41-3,421.26-1,723.16

Finding the Fourth Proportional to 2,278.41, 3,421.26 and 1,723.16

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Solution

The fourth proportional to 2,278.41, 3,421.26 and 1,723.16 is: 2,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.41 : 3,421.26 = 1,723.16 : x
  2. Step 2: Convert to fraction form
    2,278.41/3,421.26 = 1,723.16/x
  3. Step 3: Cross multiply
    2,278.41x = 3,421.26 × 1,723.16
  4. Step 4: Simplify right side
    2,278.41x = 5,895,361.28
  5. Step 5: Solve for x
    x = 5,895,361.28/2,278.41
  6. Step 6: Final answer
    x = 2,587.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.