Home / 3,556.10-4,905.50-2,715.32

Finding the Fourth Proportional to 3,556.10, 4,905.50 and 2,715.32

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Solution

The fourth proportional to 3,556.10, 4,905.50 and 2,715.32 is: 3,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.10 : 4,905.50 = 2,715.32 : x
  2. Step 2: Convert to fraction form
    3,556.10/4,905.50 = 2,715.32/x
  3. Step 3: Cross multiply
    3,556.10x = 4,905.50 × 2,715.32
  4. Step 4: Simplify right side
    3,556.10x = 13,320,000.95
  5. Step 5: Solve for x
    x = 13,320,000.95/3,556.10
  6. Step 6: Final answer
    x = 3,745.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.