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Finding the Fourth Proportional to 2,037.61, 3,056.92 and 576.77

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Solution

The fourth proportional to 2,037.61, 3,056.92 and 576.77 is: 865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.61 : 3,056.92 = 576.77 : x
  2. Step 2: Convert to fraction form
    2,037.61/3,056.92 = 576.77/x
  3. Step 3: Cross multiply
    2,037.61x = 3,056.92 × 576.77
  4. Step 4: Simplify right side
    2,037.61x = 1,763,143.46
  5. Step 5: Solve for x
    x = 1,763,143.46/2,037.61
  6. Step 6: Final answer
    x = 865.30

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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.