Home / 3,556.23-5,334.32-1,215.11

Finding the Fourth Proportional to 3,556.23, 5,334.32 and 1,215.11

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Solution

The fourth proportional to 3,556.23, 5,334.32 and 1,215.11 is: 1,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.23 : 5,334.32 = 1,215.11 : x
  2. Step 2: Convert to fraction form
    3,556.23/5,334.32 = 1,215.11/x
  3. Step 3: Cross multiply
    3,556.23x = 5,334.32 × 1,215.11
  4. Step 4: Simplify right side
    3,556.23x = 6,481,752.83
  5. Step 5: Solve for x
    x = 6,481,752.83/3,556.23
  6. Step 6: Final answer
    x = 1,822.65

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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.