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Finding the Fourth Proportional to 1,883.86, 2,825.77 and 1,023.64

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Solution

The fourth proportional to 1,883.86, 2,825.77 and 1,023.64 is: 1,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.86 : 2,825.77 = 1,023.64 : x
  2. Step 2: Convert to fraction form
    1,883.86/2,825.77 = 1,023.64/x
  3. Step 3: Cross multiply
    1,883.86x = 2,825.77 × 1,023.64
  4. Step 4: Simplify right side
    1,883.86x = 2,892,557.07
  5. Step 5: Solve for x
    x = 2,892,557.07/1,883.86
  6. Step 6: Final answer
    x = 1,535.45

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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.