Home / 1,863.43-2,572.41-1,077.33

Finding the Fourth Proportional to 1,863.43, 2,572.41 and 1,077.33

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Solution

The fourth proportional to 1,863.43, 2,572.41 and 1,077.33 is: 1,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.43 : 2,572.41 = 1,077.33 : x
  2. Step 2: Convert to fraction form
    1,863.43/2,572.41 = 1,077.33/x
  3. Step 3: Cross multiply
    1,863.43x = 2,572.41 × 1,077.33
  4. Step 4: Simplify right side
    1,863.43x = 2,771,334.47
  5. Step 5: Solve for x
    x = 2,771,334.47/1,863.43
  6. Step 6: Final answer
    x = 1,487.22

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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.