Home / 2,889.54-4,330.53-1,429.11

Finding the Fourth Proportional to 2,889.54, 4,330.53 and 1,429.11

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Solution

The fourth proportional to 2,889.54, 4,330.53 and 1,429.11 is: 2,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.54 : 4,330.53 = 1,429.11 : x
  2. Step 2: Convert to fraction form
    2,889.54/4,330.53 = 1,429.11/x
  3. Step 3: Cross multiply
    2,889.54x = 4,330.53 × 1,429.11
  4. Step 4: Simplify right side
    2,889.54x = 6,188,803.73
  5. Step 5: Solve for x
    x = 6,188,803.73/2,889.54
  6. Step 6: Final answer
    x = 2,141.80

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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.