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Finding the Fourth Proportional to 1,883.64, 2,825.63 and 496.96

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Solution

The fourth proportional to 1,883.64, 2,825.63 and 496.96 is: 745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.64 : 2,825.63 = 496.96 : x
  2. Step 2: Convert to fraction form
    1,883.64/2,825.63 = 496.96/x
  3. Step 3: Cross multiply
    1,883.64x = 2,825.63 × 496.96
  4. Step 4: Simplify right side
    1,883.64x = 1,404,208.47
  5. Step 5: Solve for x
    x = 1,404,208.47/1,883.64
  6. Step 6: Final answer
    x = 745.48

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1.5x scale

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.