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Finding the Fourth Proportional to 2,095.48, 3,143.38 and 634.74

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Solution

The fourth proportional to 2,095.48, 3,143.38 and 634.74 is: 952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.48 : 3,143.38 = 634.74 : x
  2. Step 2: Convert to fraction form
    2,095.48/3,143.38 = 634.74/x
  3. Step 3: Cross multiply
    2,095.48x = 3,143.38 × 634.74
  4. Step 4: Simplify right side
    2,095.48x = 1,995,229.02
  5. Step 5: Solve for x
    x = 1,995,229.02/2,095.48
  6. Step 6: Final answer
    x = 952.16

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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.