Home / 3,672.45-5,518.24-3,432.49

Finding the Fourth Proportional to 3,672.45, 5,518.24 and 3,432.49

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Solution

The fourth proportional to 3,672.45, 5,518.24 and 3,432.49 is: 5,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.45 : 5,518.24 = 3,432.49 : x
  2. Step 2: Convert to fraction form
    3,672.45/5,518.24 = 3,432.49/x
  3. Step 3: Cross multiply
    3,672.45x = 5,518.24 × 3,432.49
  4. Step 4: Simplify right side
    3,672.45x = 18,941,281.24
  5. Step 5: Solve for x
    x = 18,941,281.24/3,672.45
  6. Step 6: Final answer
    x = 5,157.67

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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.