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Finding the Fourth Proportional to 2,048.64, 3,072.92 and 587.80

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Solution

The fourth proportional to 2,048.64, 3,072.92 and 587.80 is: 881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.64 : 3,072.92 = 587.80 : x
  2. Step 2: Convert to fraction form
    2,048.64/3,072.92 = 587.80/x
  3. Step 3: Cross multiply
    2,048.64x = 3,072.92 × 587.80
  4. Step 4: Simplify right side
    2,048.64x = 1,806,262.38
  5. Step 5: Solve for x
    x = 1,806,262.38/2,048.64
  6. Step 6: Final answer
    x = 881.69

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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.