Home / 1,448.48-2,163.88-1,192.16

Finding the Fourth Proportional to 1,448.48, 2,163.88 and 1,192.16

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Solution

The fourth proportional to 1,448.48, 2,163.88 and 1,192.16 is: 1,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.48 : 2,163.88 = 1,192.16 : x
  2. Step 2: Convert to fraction form
    1,448.48/2,163.88 = 1,192.16/x
  3. Step 3: Cross multiply
    1,448.48x = 2,163.88 × 1,192.16
  4. Step 4: Simplify right side
    1,448.48x = 2,579,691.18
  5. Step 5: Solve for x
    x = 2,579,691.18/1,448.48
  6. Step 6: Final answer
    x = 1,780.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.