Home / 3,556.48-5,331.88-1,800.56

Finding the Fourth Proportional to 3,556.48, 5,331.88 and 1,800.56

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Solution

The fourth proportional to 3,556.48, 5,331.88 and 1,800.56 is: 2,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.48 : 5,331.88 = 1,800.56 : x
  2. Step 2: Convert to fraction form
    3,556.48/5,331.88 = 1,800.56/x
  3. Step 3: Cross multiply
    3,556.48x = 5,331.88 × 1,800.56
  4. Step 4: Simplify right side
    3,556.48x = 9,600,369.85
  5. Step 5: Solve for x
    x = 9,600,369.85/3,556.48
  6. Step 6: Final answer
    x = 2,699.40

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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.