Home / 3,962.45-5,466.46-2,389.67

Finding the Fourth Proportional to 3,962.45, 5,466.46 and 2,389.67

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Solution

The fourth proportional to 3,962.45, 5,466.46 and 2,389.67 is: 3,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.45 : 5,466.46 = 2,389.67 : x
  2. Step 2: Convert to fraction form
    3,962.45/5,466.46 = 2,389.67/x
  3. Step 3: Cross multiply
    3,962.45x = 5,466.46 × 2,389.67
  4. Step 4: Simplify right side
    3,962.45x = 13,063,035.47
  5. Step 5: Solve for x
    x = 13,063,035.47/3,962.45
  6. Step 6: Final answer
    x = 3,296.71

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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.