Home / 1,556.03-2,147.37-893.00

Finding the Fourth Proportional to 1,556.03, 2,147.37 and 893.00

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Solution

The fourth proportional to 1,556.03, 2,147.37 and 893.00 is: 1,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.03 : 2,147.37 = 893.00 : x
  2. Step 2: Convert to fraction form
    1,556.03/2,147.37 = 893.00/x
  3. Step 3: Cross multiply
    1,556.03x = 2,147.37 × 893.00
  4. Step 4: Simplify right side
    1,556.03x = 1,917,606.78
  5. Step 5: Solve for x
    x = 1,917,606.78/1,556.03
  6. Step 6: Final answer
    x = 1,232.37

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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.