Home / 2,490.51-3,731.97-1,190.19

Finding the Fourth Proportional to 2,490.51, 3,731.97 and 1,190.19

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Solution

The fourth proportional to 2,490.51, 3,731.97 and 1,190.19 is: 1,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.51 : 3,731.97 = 1,190.19 : x
  2. Step 2: Convert to fraction form
    2,490.51/3,731.97 = 1,190.19/x
  3. Step 3: Cross multiply
    2,490.51x = 3,731.97 × 1,190.19
  4. Step 4: Simplify right side
    2,490.51x = 4,441,753.37
  5. Step 5: Solve for x
    x = 4,441,753.37/2,490.51
  6. Step 6: Final answer
    x = 1,783.47

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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.