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Finding the Fourth Proportional to 1,632.83, 2,253.29 and 886.77

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Solution

The fourth proportional to 1,632.83, 2,253.29 and 886.77 is: 1,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.83 : 2,253.29 = 886.77 : x
  2. Step 2: Convert to fraction form
    1,632.83/2,253.29 = 886.77/x
  3. Step 3: Cross multiply
    1,632.83x = 2,253.29 × 886.77
  4. Step 4: Simplify right side
    1,632.83x = 1,998,145.54
  5. Step 5: Solve for x
    x = 1,998,145.54/1,632.83
  6. Step 6: Final answer
    x = 1,223.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.