Home / 3,768.43-5,653.50-1,235.67

Finding the Fourth Proportional to 3,768.43, 5,653.50 and 1,235.67

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Solution

The fourth proportional to 3,768.43, 5,653.50 and 1,235.67 is: 1,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.43 : 5,653.50 = 1,235.67 : x
  2. Step 2: Convert to fraction form
    3,768.43/5,653.50 = 1,235.67/x
  3. Step 3: Cross multiply
    3,768.43x = 5,653.50 × 1,235.67
  4. Step 4: Simplify right side
    3,768.43x = 6,985,841.42
  5. Step 5: Solve for x
    x = 6,985,841.42/3,768.43
  6. Step 6: Final answer
    x = 1,853.78

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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.