Home / 3,132.16-4,318.80-2,968

Finding the Fourth Proportional to 3,132.16, 4,318.80 and 2,968

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Solution

The fourth proportional to 3,132.16, 4,318.80 and 2,968 is: 4,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.16 : 4,318.80 = 2,968 : x
  2. Step 2: Convert to fraction form
    3,132.16/4,318.80 = 2,968/x
  3. Step 3: Cross multiply
    3,132.16x = 4,318.80 × 2,968
  4. Step 4: Simplify right side
    3,132.16x = 12,818,198.40
  5. Step 5: Solve for x
    x = 12,818,198.40/3,132.16
  6. Step 6: Final answer
    x = 4,092.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.