Home / 2,256.24-3,114-1,325.28

Finding the Fourth Proportional to 2,256.24, 3,114 and 1,325.28

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Solution

The fourth proportional to 2,256.24, 3,114 and 1,325.28 is: 1,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.24 : 3,114 = 1,325.28 : x
  2. Step 2: Convert to fraction form
    2,256.24/3,114 = 1,325.28/x
  3. Step 3: Cross multiply
    2,256.24x = 3,114 × 1,325.28
  4. Step 4: Simplify right side
    2,256.24x = 4,126,921.92
  5. Step 5: Solve for x
    x = 4,126,921.92/2,256.24
  6. Step 6: Final answer
    x = 1,829.11

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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.