Home / 3,556.16-5,334.84-1,477.28

Finding the Fourth Proportional to 3,556.16, 5,334.84 and 1,477.28

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Solution

The fourth proportional to 3,556.16, 5,334.84 and 1,477.28 is: 2,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.16 : 5,334.84 = 1,477.28 : x
  2. Step 2: Convert to fraction form
    3,556.16/5,334.84 = 1,477.28/x
  3. Step 3: Cross multiply
    3,556.16x = 5,334.84 × 1,477.28
  4. Step 4: Simplify right side
    3,556.16x = 7,881,052.44
  5. Step 5: Solve for x
    x = 7,881,052.44/3,556.16
  6. Step 6: Final answer
    x = 2,216.17

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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.