Home / 2,440.34-3,659.96-979.10

Finding the Fourth Proportional to 2,440.34, 3,659.96 and 979.10

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Solution

The fourth proportional to 2,440.34, 3,659.96 and 979.10 is: 1,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.34 : 3,659.96 = 979.10 : x
  2. Step 2: Convert to fraction form
    2,440.34/3,659.96 = 979.10/x
  3. Step 3: Cross multiply
    2,440.34x = 3,659.96 × 979.10
  4. Step 4: Simplify right side
    2,440.34x = 3,583,466.84
  5. Step 5: Solve for x
    x = 3,583,466.84/2,440.34
  6. Step 6: Final answer
    x = 1,468.43

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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.