Home / 2,568.40-3,543.24-1,738.96

Finding the Fourth Proportional to 2,568.40, 3,543.24 and 1,738.96

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Solution

The fourth proportional to 2,568.40, 3,543.24 and 1,738.96 is: 2,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.40 : 3,543.24 = 1,738.96 : x
  2. Step 2: Convert to fraction form
    2,568.40/3,543.24 = 1,738.96/x
  3. Step 3: Cross multiply
    2,568.40x = 3,543.24 × 1,738.96
  4. Step 4: Simplify right side
    2,568.40x = 6,161,552.63
  5. Step 5: Solve for x
    x = 6,161,552.63/2,568.40
  6. Step 6: Final answer
    x = 2,398.98

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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.