Home / 1,556.89-2,151.24-1,244.73

Finding the Fourth Proportional to 1,556.89, 2,151.24 and 1,244.73

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Solution

The fourth proportional to 1,556.89, 2,151.24 and 1,244.73 is: 1,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.89 : 2,151.24 = 1,244.73 : x
  2. Step 2: Convert to fraction form
    1,556.89/2,151.24 = 1,244.73/x
  3. Step 3: Cross multiply
    1,556.89x = 2,151.24 × 1,244.73
  4. Step 4: Simplify right side
    1,556.89x = 2,677,712.97
  5. Step 5: Solve for x
    x = 2,677,712.97/1,556.89
  6. Step 6: Final answer
    x = 1,719.91

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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.