Home / 2,624.78-3,937.85-1,163.58

Finding the Fourth Proportional to 2,624.78, 3,937.85 and 1,163.58

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Solution

The fourth proportional to 2,624.78, 3,937.85 and 1,163.58 is: 1,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.78 : 3,937.85 = 1,163.58 : x
  2. Step 2: Convert to fraction form
    2,624.78/3,937.85 = 1,163.58/x
  3. Step 3: Cross multiply
    2,624.78x = 3,937.85 × 1,163.58
  4. Step 4: Simplify right side
    2,624.78x = 4,582,003.50
  5. Step 5: Solve for x
    x = 4,582,003.50/2,624.78
  6. Step 6: Final answer
    x = 1,745.67

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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.