Home / 2,458.11-3,388.88-2,381.67

Finding the Fourth Proportional to 2,458.11, 3,388.88 and 2,381.67

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Solution

The fourth proportional to 2,458.11, 3,388.88 and 2,381.67 is: 3,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.11 : 3,388.88 = 2,381.67 : x
  2. Step 2: Convert to fraction form
    2,458.11/3,388.88 = 2,381.67/x
  3. Step 3: Cross multiply
    2,458.11x = 3,388.88 × 2,381.67
  4. Step 4: Simplify right side
    2,458.11x = 8,071,181.92
  5. Step 5: Solve for x
    x = 8,071,181.92/2,458.11
  6. Step 6: Final answer
    x = 3,283.49

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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.