Home / 1,712.31-2,568.47-1,096.31

Finding the Fourth Proportional to 1,712.31, 2,568.47 and 1,096.31

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Solution

The fourth proportional to 1,712.31, 2,568.47 and 1,096.31 is: 1,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.31 : 2,568.47 = 1,096.31 : x
  2. Step 2: Convert to fraction form
    1,712.31/2,568.47 = 1,096.31/x
  3. Step 3: Cross multiply
    1,712.31x = 2,568.47 × 1,096.31
  4. Step 4: Simplify right side
    1,712.31x = 2,815,821.02
  5. Step 5: Solve for x
    x = 2,815,821.02/1,712.31
  6. Step 6: Final answer
    x = 1,644.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.