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Finding the Fourth Proportional to 2,037.47, 3,056.04 and 651.78

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Solution

The fourth proportional to 2,037.47, 3,056.04 and 651.78 is: 977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.47 : 3,056.04 = 651.78 : x
  2. Step 2: Convert to fraction form
    2,037.47/3,056.04 = 651.78/x
  3. Step 3: Cross multiply
    2,037.47x = 3,056.04 × 651.78
  4. Step 4: Simplify right side
    2,037.47x = 1,991,865.75
  5. Step 5: Solve for x
    x = 1,991,865.75/2,037.47
  6. Step 6: Final answer
    x = 977.62

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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.