Home / 3,188.69-4,776.09-1,541.76

Finding the Fourth Proportional to 3,188.69, 4,776.09 and 1,541.76

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Solution

The fourth proportional to 3,188.69, 4,776.09 and 1,541.76 is: 2,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.69 : 4,776.09 = 1,541.76 : x
  2. Step 2: Convert to fraction form
    3,188.69/4,776.09 = 1,541.76/x
  3. Step 3: Cross multiply
    3,188.69x = 4,776.09 × 1,541.76
  4. Step 4: Simplify right side
    3,188.69x = 7,363,584.52
  5. Step 5: Solve for x
    x = 7,363,584.52/3,188.69
  6. Step 6: Final answer
    x = 2,309.29

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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.