Home / 1,923.72-2,887.62-1,562.86

Finding the Fourth Proportional to 1,923.72, 2,887.62 and 1,562.86

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Solution

The fourth proportional to 1,923.72, 2,887.62 and 1,562.86 is: 2,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.72 : 2,887.62 = 1,562.86 : x
  2. Step 2: Convert to fraction form
    1,923.72/2,887.62 = 1,562.86/x
  3. Step 3: Cross multiply
    1,923.72x = 2,887.62 × 1,562.86
  4. Step 4: Simplify right side
    1,923.72x = 4,512,943.54
  5. Step 5: Solve for x
    x = 4,512,943.54/1,923.72
  6. Step 6: Final answer
    x = 2,345.95

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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.