Home / 3,556.74-5,328.63-2,622

Finding the Fourth Proportional to 3,556.74, 5,328.63 and 2,622

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Solution

The fourth proportional to 3,556.74, 5,328.63 and 2,622 is: 3,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.74 : 5,328.63 = 2,622 : x
  2. Step 2: Convert to fraction form
    3,556.74/5,328.63 = 2,622/x
  3. Step 3: Cross multiply
    3,556.74x = 5,328.63 × 2,622
  4. Step 4: Simplify right side
    3,556.74x = 13,971,667.86
  5. Step 5: Solve for x
    x = 13,971,667.86/3,556.74
  6. Step 6: Final answer
    x = 3,928.22

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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.