Home / 3,556.09-5,331.84-1,477.52

Finding the Fourth Proportional to 3,556.09, 5,331.84 and 1,477.52

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Solution

The fourth proportional to 3,556.09, 5,331.84 and 1,477.52 is: 2,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.09 : 5,331.84 = 1,477.52 : x
  2. Step 2: Convert to fraction form
    3,556.09/5,331.84 = 1,477.52/x
  3. Step 3: Cross multiply
    3,556.09x = 5,331.84 × 1,477.52
  4. Step 4: Simplify right side
    3,556.09x = 7,877,900.24
  5. Step 5: Solve for x
    x = 7,877,900.24/3,556.09
  6. Step 6: Final answer
    x = 2,215.33

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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.