Home / 4,072.98-5,619.86-2,305.02

Finding the Fourth Proportional to 4,072.98, 5,619.86 and 2,305.02

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Solution

The fourth proportional to 4,072.98, 5,619.86 and 2,305.02 is: 3,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.98 : 5,619.86 = 2,305.02 : x
  2. Step 2: Convert to fraction form
    4,072.98/5,619.86 = 2,305.02/x
  3. Step 3: Cross multiply
    4,072.98x = 5,619.86 × 2,305.02
  4. Step 4: Simplify right side
    4,072.98x = 12,953,889.70
  5. Step 5: Solve for x
    x = 12,953,889.70/4,072.98
  6. Step 6: Final answer
    x = 3,180.45

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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.