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Finding the Fourth Proportional to 1,933.92, 2,900.96 and 635.44

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Solution

The fourth proportional to 1,933.92, 2,900.96 and 635.44 is: 953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.92 : 2,900.96 = 635.44 : x
  2. Step 2: Convert to fraction form
    1,933.92/2,900.96 = 635.44/x
  3. Step 3: Cross multiply
    1,933.92x = 2,900.96 × 635.44
  4. Step 4: Simplify right side
    1,933.92x = 1,843,386.02
  5. Step 5: Solve for x
    x = 1,843,386.02/1,933.92
  6. Step 6: Final answer
    x = 953.19

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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.