Home / 1,568.91-2,355.80-1,499.66

Finding the Fourth Proportional to 1,568.91, 2,355.80 and 1,499.66

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Solution

The fourth proportional to 1,568.91, 2,355.80 and 1,499.66 is: 2,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.91 : 2,355.80 = 1,499.66 : x
  2. Step 2: Convert to fraction form
    1,568.91/2,355.80 = 1,499.66/x
  3. Step 3: Cross multiply
    1,568.91x = 2,355.80 × 1,499.66
  4. Step 4: Simplify right side
    1,568.91x = 3,532,879.75
  5. Step 5: Solve for x
    x = 3,532,879.75/1,568.91
  6. Step 6: Final answer
    x = 2,251.81

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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.