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Finding the Fourth Proportional to 3,096.93, 4,645.02 and 875.93

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Solution

The fourth proportional to 3,096.93, 4,645.02 and 875.93 is: 1,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.93 : 4,645.02 = 875.93 : x
  2. Step 2: Convert to fraction form
    3,096.93/4,645.02 = 875.93/x
  3. Step 3: Cross multiply
    3,096.93x = 4,645.02 × 875.93
  4. Step 4: Simplify right side
    3,096.93x = 4,068,712.37
  5. Step 5: Solve for x
    x = 4,068,712.37/3,096.93
  6. Step 6: Final answer
    x = 1,313.79

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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.