Home / 3,948.48-5,922.84-3,025.72

Finding the Fourth Proportional to 3,948.48, 5,922.84 and 3,025.72

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Solution

The fourth proportional to 3,948.48, 5,922.84 and 3,025.72 is: 4,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.48 : 5,922.84 = 3,025.72 : x
  2. Step 2: Convert to fraction form
    3,948.48/5,922.84 = 3,025.72/x
  3. Step 3: Cross multiply
    3,948.48x = 5,922.84 × 3,025.72
  4. Step 4: Simplify right side
    3,948.48x = 17,920,855.44
  5. Step 5: Solve for x
    x = 17,920,855.44/3,948.48
  6. Step 6: Final answer
    x = 4,538.67

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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.