Home / 3,619.65-4,995.09-2,047.71

Finding the Fourth Proportional to 3,619.65, 4,995.09 and 2,047.71

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Solution

The fourth proportional to 3,619.65, 4,995.09 and 2,047.71 is: 2,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.65 : 4,995.09 = 2,047.71 : x
  2. Step 2: Convert to fraction form
    3,619.65/4,995.09 = 2,047.71/x
  3. Step 3: Cross multiply
    3,619.65x = 4,995.09 × 2,047.71
  4. Step 4: Simplify right side
    3,619.65x = 10,228,495.74
  5. Step 5: Solve for x
    x = 10,228,495.74/3,619.65
  6. Step 6: Final answer
    x = 2,825.82

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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.