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Finding the Fourth Proportional to 2,579.17, 3,867.08 and 935.50

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Solution

The fourth proportional to 2,579.17, 3,867.08 and 935.50 is: 1,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.17 : 3,867.08 = 935.50 : x
  2. Step 2: Convert to fraction form
    2,579.17/3,867.08 = 935.50/x
  3. Step 3: Cross multiply
    2,579.17x = 3,867.08 × 935.50
  4. Step 4: Simplify right side
    2,579.17x = 3,617,629.33
  5. Step 5: Solve for x
    x = 3,617,629.33/2,579.17
  6. Step 6: Final answer
    x = 1,402.64

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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.