Home / 2,980.26-4,472.65-2,040.96

Finding the Fourth Proportional to 2,980.26, 4,472.65 and 2,040.96

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Solution

The fourth proportional to 2,980.26, 4,472.65 and 2,040.96 is: 3,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.26 : 4,472.65 = 2,040.96 : x
  2. Step 2: Convert to fraction form
    2,980.26/4,472.65 = 2,040.96/x
  3. Step 3: Cross multiply
    2,980.26x = 4,472.65 × 2,040.96
  4. Step 4: Simplify right side
    2,980.26x = 9,128,519.07
  5. Step 5: Solve for x
    x = 9,128,519.07/2,980.26
  6. Step 6: Final answer
    x = 3,062.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.