Home / 1,615.41-2,228.31-1,025.46

Finding the Fourth Proportional to 1,615.41, 2,228.31 and 1,025.46

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Solution

The fourth proportional to 1,615.41, 2,228.31 and 1,025.46 is: 1,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.41 : 2,228.31 = 1,025.46 : x
  2. Step 2: Convert to fraction form
    1,615.41/2,228.31 = 1,025.46/x
  3. Step 3: Cross multiply
    1,615.41x = 2,228.31 × 1,025.46
  4. Step 4: Simplify right side
    1,615.41x = 2,285,042.77
  5. Step 5: Solve for x
    x = 2,285,042.77/1,615.41
  6. Step 6: Final answer
    x = 1,414.53

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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.