Home / 3,260.91-4,499.71-1,916.52

Finding the Fourth Proportional to 3,260.91, 4,499.71 and 1,916.52

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Solution

The fourth proportional to 3,260.91, 4,499.71 and 1,916.52 is: 2,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.91 : 4,499.71 = 1,916.52 : x
  2. Step 2: Convert to fraction form
    3,260.91/4,499.71 = 1,916.52/x
  3. Step 3: Cross multiply
    3,260.91x = 4,499.71 × 1,916.52
  4. Step 4: Simplify right side
    3,260.91x = 8,623,784.21
  5. Step 5: Solve for x
    x = 8,623,784.21/3,260.91
  6. Step 6: Final answer
    x = 2,644.59

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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.