Home / 2,918.11-4,374.37-968.94

Finding the Fourth Proportional to 2,918.11, 4,374.37 and 968.94

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Solution

The fourth proportional to 2,918.11, 4,374.37 and 968.94 is: 1,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.11 : 4,374.37 = 968.94 : x
  2. Step 2: Convert to fraction form
    2,918.11/4,374.37 = 968.94/x
  3. Step 3: Cross multiply
    2,918.11x = 4,374.37 × 968.94
  4. Step 4: Simplify right side
    2,918.11x = 4,238,497.22
  5. Step 5: Solve for x
    x = 4,238,497.22/2,918.11
  6. Step 6: Final answer
    x = 1,452.48

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1.5x scale

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.