Home / 3,908.37-5,394.16-2,492.67

Finding the Fourth Proportional to 3,908.37, 5,394.16 and 2,492.67

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Solution

The fourth proportional to 3,908.37, 5,394.16 and 2,492.67 is: 3,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.37 : 5,394.16 = 2,492.67 : x
  2. Step 2: Convert to fraction form
    3,908.37/5,394.16 = 2,492.67/x
  3. Step 3: Cross multiply
    3,908.37x = 5,394.16 × 2,492.67
  4. Step 4: Simplify right side
    3,908.37x = 13,445,860.81
  5. Step 5: Solve for x
    x = 13,445,860.81/3,908.37
  6. Step 6: Final answer
    x = 3,440.27

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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.