Home / 1,455.54-2,008.44-1,100.94

Finding the Fourth Proportional to 1,455.54, 2,008.44 and 1,100.94

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Solution

The fourth proportional to 1,455.54, 2,008.44 and 1,100.94 is: 1,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.54 : 2,008.44 = 1,100.94 : x
  2. Step 2: Convert to fraction form
    1,455.54/2,008.44 = 1,100.94/x
  3. Step 3: Cross multiply
    1,455.54x = 2,008.44 × 1,100.94
  4. Step 4: Simplify right side
    1,455.54x = 2,211,171.93
  5. Step 5: Solve for x
    x = 2,211,171.93/1,455.54
  6. Step 6: Final answer
    x = 1,519.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.