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Finding the Fourth Proportional to 2,093, 3,139.77 and 632.16

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Solution

The fourth proportional to 2,093, 3,139.77 and 632.16 is: 948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093 : 3,139.77 = 632.16 : x
  2. Step 2: Convert to fraction form
    2,093/3,139.77 = 632.16/x
  3. Step 3: Cross multiply
    2,093x = 3,139.77 × 632.16
  4. Step 4: Simplify right side
    2,093x = 1,984,837.00
  5. Step 5: Solve for x
    x = 1,984,837.00/2,093
  6. Step 6: Final answer
    x = 948.32

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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.