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Finding the Fourth Proportional to 1,934.36, 2,900.44 and 635.72

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Solution

The fourth proportional to 1,934.36, 2,900.44 and 635.72 is: 953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.36 : 2,900.44 = 635.72 : x
  2. Step 2: Convert to fraction form
    1,934.36/2,900.44 = 635.72/x
  3. Step 3: Cross multiply
    1,934.36x = 2,900.44 × 635.72
  4. Step 4: Simplify right side
    1,934.36x = 1,843,867.72
  5. Step 5: Solve for x
    x = 1,843,867.72/1,934.36
  6. Step 6: Final answer
    x = 953.22

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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.