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Finding the Fourth Proportional to 1,979.52, 2,968.37 and 883.89

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Solution

The fourth proportional to 1,979.52, 2,968.37 and 883.89 is: 1,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.52 : 2,968.37 = 883.89 : x
  2. Step 2: Convert to fraction form
    1,979.52/2,968.37 = 883.89/x
  3. Step 3: Cross multiply
    1,979.52x = 2,968.37 × 883.89
  4. Step 4: Simplify right side
    1,979.52x = 2,623,708.14
  5. Step 5: Solve for x
    x = 2,623,708.14/1,979.52
  6. Step 6: Final answer
    x = 1,325.43

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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.