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Finding the Fourth Proportional to 3,071.93, 4,607.89 and 1,756.08

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Solution

The fourth proportional to 3,071.93, 4,607.89 and 1,756.08 is: 2,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.93 : 4,607.89 = 1,756.08 : x
  2. Step 2: Convert to fraction form
    3,071.93/4,607.89 = 1,756.08/x
  3. Step 3: Cross multiply
    3,071.93x = 4,607.89 × 1,756.08
  4. Step 4: Simplify right side
    3,071.93x = 8,091,819.08
  5. Step 5: Solve for x
    x = 8,091,819.08/3,071.93
  6. Step 6: Final answer
    x = 2,634.12

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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.