Home / 3,556.29-5,334.40-1,477.69

Finding the Fourth Proportional to 3,556.29, 5,334.40 and 1,477.69

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Solution

The fourth proportional to 3,556.29, 5,334.40 and 1,477.69 is: 2,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.29 : 5,334.40 = 1,477.69 : x
  2. Step 2: Convert to fraction form
    3,556.29/5,334.40 = 1,477.69/x
  3. Step 3: Cross multiply
    3,556.29x = 5,334.40 × 1,477.69
  4. Step 4: Simplify right side
    3,556.29x = 7,882,589.54
  5. Step 5: Solve for x
    x = 7,882,589.54/3,556.29
  6. Step 6: Final answer
    x = 2,216.52

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1.5x scale

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.