Home / 2,492.34-3,740.67-1,338.90

Finding the Fourth Proportional to 2,492.34, 3,740.67 and 1,338.90

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Solution

The fourth proportional to 2,492.34, 3,740.67 and 1,338.90 is: 2,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.34 : 3,740.67 = 1,338.90 : x
  2. Step 2: Convert to fraction form
    2,492.34/3,740.67 = 1,338.90/x
  3. Step 3: Cross multiply
    2,492.34x = 3,740.67 × 1,338.90
  4. Step 4: Simplify right side
    2,492.34x = 5,008,383.06
  5. Step 5: Solve for x
    x = 5,008,383.06/2,492.34
  6. Step 6: Final answer
    x = 2,009.51

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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.