Home / 2,910.26-4,020.87-2,030.00

Finding the Fourth Proportional to 2,910.26, 4,020.87 and 2,030.00

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Solution

The fourth proportional to 2,910.26, 4,020.87 and 2,030.00 is: 2,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.26 : 4,020.87 = 2,030.00 : x
  2. Step 2: Convert to fraction form
    2,910.26/4,020.87 = 2,030.00/x
  3. Step 3: Cross multiply
    2,910.26x = 4,020.87 × 2,030.00
  4. Step 4: Simplify right side
    2,910.26x = 8,162,335.85
  5. Step 5: Solve for x
    x = 8,162,335.85/2,910.26
  6. Step 6: Final answer
    x = 2,804.68

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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.