Home / 3,556.31-5,334.44-1,913.63

Finding the Fourth Proportional to 3,556.31, 5,334.44 and 1,913.63

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Solution

The fourth proportional to 3,556.31, 5,334.44 and 1,913.63 is: 2,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.31 : 5,334.44 = 1,913.63 : x
  2. Step 2: Convert to fraction form
    3,556.31/5,334.44 = 1,913.63/x
  3. Step 3: Cross multiply
    3,556.31x = 5,334.44 × 1,913.63
  4. Step 4: Simplify right side
    3,556.31x = 10,208,108.18
  5. Step 5: Solve for x
    x = 10,208,108.18/3,556.31
  6. Step 6: Final answer
    x = 2,870.43

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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.