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Finding the Fourth Proportional to 2,195.51, 3,292.86 and 635.13

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Solution

The fourth proportional to 2,195.51, 3,292.86 and 635.13 is: 952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.51 : 3,292.86 = 635.13 : x
  2. Step 2: Convert to fraction form
    2,195.51/3,292.86 = 635.13/x
  3. Step 3: Cross multiply
    2,195.51x = 3,292.86 × 635.13
  4. Step 4: Simplify right side
    2,195.51x = 2,091,384.61
  5. Step 5: Solve for x
    x = 2,091,384.61/2,195.51
  6. Step 6: Final answer
    x = 952.57

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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.