Home / 2,491.38-3,726.80-2,047.63

Finding the Fourth Proportional to 2,491.38, 3,726.80 and 2,047.63

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Solution

The fourth proportional to 2,491.38, 3,726.80 and 2,047.63 is: 3,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.38 : 3,726.80 = 2,047.63 : x
  2. Step 2: Convert to fraction form
    2,491.38/3,726.80 = 2,047.63/x
  3. Step 3: Cross multiply
    2,491.38x = 3,726.80 × 2,047.63
  4. Step 4: Simplify right side
    2,491.38x = 7,631,107.48
  5. Step 5: Solve for x
    x = 7,631,107.48/2,491.38
  6. Step 6: Final answer
    x = 3,063.00

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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.