Home / 1,568.09-2,352.57-1,274.86

Finding the Fourth Proportional to 1,568.09, 2,352.57 and 1,274.86

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Solution

The fourth proportional to 1,568.09, 2,352.57 and 1,274.86 is: 1,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.09 : 2,352.57 = 1,274.86 : x
  2. Step 2: Convert to fraction form
    1,568.09/2,352.57 = 1,274.86/x
  3. Step 3: Cross multiply
    1,568.09x = 2,352.57 × 1,274.86
  4. Step 4: Simplify right side
    1,568.09x = 2,999,205.75
  5. Step 5: Solve for x
    x = 2,999,205.75/1,568.09
  6. Step 6: Final answer
    x = 1,912.65

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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.