Home / 3,047.68-4,203.66-1,869.22

Finding the Fourth Proportional to 3,047.68, 4,203.66 and 1,869.22

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Solution

The fourth proportional to 3,047.68, 4,203.66 and 1,869.22 is: 2,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.68 : 4,203.66 = 1,869.22 : x
  2. Step 2: Convert to fraction form
    3,047.68/4,203.66 = 1,869.22/x
  3. Step 3: Cross multiply
    3,047.68x = 4,203.66 × 1,869.22
  4. Step 4: Simplify right side
    3,047.68x = 7,857,565.35
  5. Step 5: Solve for x
    x = 7,857,565.35/3,047.68
  6. Step 6: Final answer
    x = 2,578.21

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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.