Home / 4,072.30-5,619.56-2,303.86

Finding the Fourth Proportional to 4,072.30, 5,619.56 and 2,303.86

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Solution

The fourth proportional to 4,072.30, 5,619.56 and 2,303.86 is: 3,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.30 : 5,619.56 = 2,303.86 : x
  2. Step 2: Convert to fraction form
    4,072.30/5,619.56 = 2,303.86/x
  3. Step 3: Cross multiply
    4,072.30x = 5,619.56 × 2,303.86
  4. Step 4: Simplify right side
    4,072.30x = 12,946,679.50
  5. Step 5: Solve for x
    x = 12,946,679.50/4,072.30
  6. Step 6: Final answer
    x = 3,179.21

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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.