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Finding the Fourth Proportional to 2,873.42, 4,289.12 and 2,662.14

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Solution

The fourth proportional to 2,873.42, 4,289.12 and 2,662.14 is: 3,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.42 : 4,289.12 = 2,662.14 : x
  2. Step 2: Convert to fraction form
    2,873.42/4,289.12 = 2,662.14/x
  3. Step 3: Cross multiply
    2,873.42x = 4,289.12 × 2,662.14
  4. Step 4: Simplify right side
    2,873.42x = 11,418,244.57
  5. Step 5: Solve for x
    x = 11,418,244.57/2,873.42
  6. Step 6: Final answer
    x = 3,973.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.