Home / 1,568.26-2,353.92-1,309.91

Finding the Fourth Proportional to 1,568.26, 2,353.92 and 1,309.91

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Solution

The fourth proportional to 1,568.26, 2,353.92 and 1,309.91 is: 1,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.26 : 2,353.92 = 1,309.91 : x
  2. Step 2: Convert to fraction form
    1,568.26/2,353.92 = 1,309.91/x
  3. Step 3: Cross multiply
    1,568.26x = 2,353.92 × 1,309.91
  4. Step 4: Simplify right side
    1,568.26x = 3,083,423.35
  5. Step 5: Solve for x
    x = 3,083,423.35/1,568.26
  6. Step 6: Final answer
    x = 1,966.15

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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.