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Finding the Fourth Proportional to 2,867.83, 3,958.14 and 1,873.96

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Solution

The fourth proportional to 2,867.83, 3,958.14 and 1,873.96 is: 2,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.83 : 3,958.14 = 1,873.96 : x
  2. Step 2: Convert to fraction form
    2,867.83/3,958.14 = 1,873.96/x
  3. Step 3: Cross multiply
    2,867.83x = 3,958.14 × 1,873.96
  4. Step 4: Simplify right side
    2,867.83x = 7,417,393.17
  5. Step 5: Solve for x
    x = 7,417,393.17/2,867.83
  6. Step 6: Final answer
    x = 2,586.42

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1.5x scale

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.