Home / 3,639.34-5,454.44-1,556.89

Finding the Fourth Proportional to 3,639.34, 5,454.44 and 1,556.89

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Solution

The fourth proportional to 3,639.34, 5,454.44 and 1,556.89 is: 2,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.34 : 5,454.44 = 1,556.89 : x
  2. Step 2: Convert to fraction form
    3,639.34/5,454.44 = 1,556.89/x
  3. Step 3: Cross multiply
    3,639.34x = 5,454.44 × 1,556.89
  4. Step 4: Simplify right side
    3,639.34x = 8,491,955.31
  5. Step 5: Solve for x
    x = 8,491,955.31/3,639.34
  6. Step 6: Final answer
    x = 2,333.38

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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.