Home / 3,159.81-4,736.68-2,889.14

Finding the Fourth Proportional to 3,159.81, 4,736.68 and 2,889.14

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Solution

The fourth proportional to 3,159.81, 4,736.68 and 2,889.14 is: 4,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.81 : 4,736.68 = 2,889.14 : x
  2. Step 2: Convert to fraction form
    3,159.81/4,736.68 = 2,889.14/x
  3. Step 3: Cross multiply
    3,159.81x = 4,736.68 × 2,889.14
  4. Step 4: Simplify right side
    3,159.81x = 13,684,900.75
  5. Step 5: Solve for x
    x = 13,684,900.75/3,159.81
  6. Step 6: Final answer
    x = 4,330.93

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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.