Home / 4,260.52-6,388.96-1,661.64

Finding the Fourth Proportional to 4,260.52, 6,388.96 and 1,661.64

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Solution

The fourth proportional to 4,260.52, 6,388.96 and 1,661.64 is: 2,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.52 : 6,388.96 = 1,661.64 : x
  2. Step 2: Convert to fraction form
    4,260.52/6,388.96 = 1,661.64/x
  3. Step 3: Cross multiply
    4,260.52x = 6,388.96 × 1,661.64
  4. Step 4: Simplify right side
    4,260.52x = 10,616,151.49
  5. Step 5: Solve for x
    x = 10,616,151.49/4,260.52
  6. Step 6: Final answer
    x = 2,491.75

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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.