Home / 2,491.48-3,732.44-1,392.51

Finding the Fourth Proportional to 2,491.48, 3,732.44 and 1,392.51

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Solution

The fourth proportional to 2,491.48, 3,732.44 and 1,392.51 is: 2,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.48 : 3,732.44 = 1,392.51 : x
  2. Step 2: Convert to fraction form
    2,491.48/3,732.44 = 1,392.51/x
  3. Step 3: Cross multiply
    2,491.48x = 3,732.44 × 1,392.51
  4. Step 4: Simplify right side
    2,491.48x = 5,197,467.06
  5. Step 5: Solve for x
    x = 5,197,467.06/2,491.48
  6. Step 6: Final answer
    x = 2,086.10

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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.