Home / 2,256.96-3,114.36-1,372.71

Finding the Fourth Proportional to 2,256.96, 3,114.36 and 1,372.71

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Solution

The fourth proportional to 2,256.96, 3,114.36 and 1,372.71 is: 1,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.96 : 3,114.36 = 1,372.71 : x
  2. Step 2: Convert to fraction form
    2,256.96/3,114.36 = 1,372.71/x
  3. Step 3: Cross multiply
    2,256.96x = 3,114.36 × 1,372.71
  4. Step 4: Simplify right side
    2,256.96x = 4,275,113.12
  5. Step 5: Solve for x
    x = 4,275,113.12/2,256.96
  6. Step 6: Final answer
    x = 1,894.19

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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.