Home / 2,072.12-2,859.72-1,232.96

Finding the Fourth Proportional to 2,072.12, 2,859.72 and 1,232.96

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Solution

The fourth proportional to 2,072.12, 2,859.72 and 1,232.96 is: 1,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.12 : 2,859.72 = 1,232.96 : x
  2. Step 2: Convert to fraction form
    2,072.12/2,859.72 = 1,232.96/x
  3. Step 3: Cross multiply
    2,072.12x = 2,859.72 × 1,232.96
  4. Step 4: Simplify right side
    2,072.12x = 3,525,920.37
  5. Step 5: Solve for x
    x = 3,525,920.37/2,072.12
  6. Step 6: Final answer
    x = 1,701.60

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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.