Home / 3,421.32-4,721.42-1,849.41

Finding the Fourth Proportional to 3,421.32, 4,721.42 and 1,849.41

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Solution

The fourth proportional to 3,421.32, 4,721.42 and 1,849.41 is: 2,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.32 : 4,721.42 = 1,849.41 : x
  2. Step 2: Convert to fraction form
    3,421.32/4,721.42 = 1,849.41/x
  3. Step 3: Cross multiply
    3,421.32x = 4,721.42 × 1,849.41
  4. Step 4: Simplify right side
    3,421.32x = 8,731,832.12
  5. Step 5: Solve for x
    x = 8,731,832.12/3,421.32
  6. Step 6: Final answer
    x = 2,552.18

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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.