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Finding the Fourth Proportional to 1,632.54, 2,252.90 and 886.50

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Solution

The fourth proportional to 1,632.54, 2,252.90 and 886.50 is: 1,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.54 : 2,252.90 = 886.50 : x
  2. Step 2: Convert to fraction form
    1,632.54/2,252.90 = 886.50/x
  3. Step 3: Cross multiply
    1,632.54x = 2,252.90 × 886.50
  4. Step 4: Simplify right side
    1,632.54x = 1,997,186.80
  5. Step 5: Solve for x
    x = 1,997,186.80/1,632.54
  6. Step 6: Final answer
    x = 1,223.36

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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.