Home / 1,568.71-2,353.84-1,109.44

Finding the Fourth Proportional to 1,568.71, 2,353.84 and 1,109.44

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Solution

The fourth proportional to 1,568.71, 2,353.84 and 1,109.44 is: 1,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.71 : 2,353.84 = 1,109.44 : x
  2. Step 2: Convert to fraction form
    1,568.71/2,353.84 = 1,109.44/x
  3. Step 3: Cross multiply
    1,568.71x = 2,353.84 × 1,109.44
  4. Step 4: Simplify right side
    1,568.71x = 2,611,441.48
  5. Step 5: Solve for x
    x = 2,611,441.48/1,568.71
  6. Step 6: Final answer
    x = 1,664.71

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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.