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Finding the Fourth Proportional to 3,167.67, 4,751.55 and 976.13

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Solution

The fourth proportional to 3,167.67, 4,751.55 and 976.13 is: 1,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.67 : 4,751.55 = 976.13 : x
  2. Step 2: Convert to fraction form
    3,167.67/4,751.55 = 976.13/x
  3. Step 3: Cross multiply
    3,167.67x = 4,751.55 × 976.13
  4. Step 4: Simplify right side
    3,167.67x = 4,638,106.74
  5. Step 5: Solve for x
    x = 4,638,106.74/3,167.67
  6. Step 6: Final answer
    x = 1,464.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.