Home / 3,556.90-5,335.98-1,217.16

Finding the Fourth Proportional to 3,556.90, 5,335.98 and 1,217.16

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Solution

The fourth proportional to 3,556.90, 5,335.98 and 1,217.16 is: 1,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.90 : 5,335.98 = 1,217.16 : x
  2. Step 2: Convert to fraction form
    3,556.90/5,335.98 = 1,217.16/x
  3. Step 3: Cross multiply
    3,556.90x = 5,335.98 × 1,217.16
  4. Step 4: Simplify right side
    3,556.90x = 6,494,735.33
  5. Step 5: Solve for x
    x = 6,494,735.33/3,556.90
  6. Step 6: Final answer
    x = 1,825.96

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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.