Home / 3,264.41-4,889.01-1,615.65

Finding the Fourth Proportional to 3,264.41, 4,889.01 and 1,615.65

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Solution

The fourth proportional to 3,264.41, 4,889.01 and 1,615.65 is: 2,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.41 : 4,889.01 = 1,615.65 : x
  2. Step 2: Convert to fraction form
    3,264.41/4,889.01 = 1,615.65/x
  3. Step 3: Cross multiply
    3,264.41x = 4,889.01 × 1,615.65
  4. Step 4: Simplify right side
    3,264.41x = 7,898,929.01
  5. Step 5: Solve for x
    x = 7,898,929.01/3,264.41
  6. Step 6: Final answer
    x = 2,419.71

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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.