Home / 2,994.50-4,489.81-1,239.03

Finding the Fourth Proportional to 2,994.50, 4,489.81 and 1,239.03

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Solution

The fourth proportional to 2,994.50, 4,489.81 and 1,239.03 is: 1,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.50 : 4,489.81 = 1,239.03 : x
  2. Step 2: Convert to fraction form
    2,994.50/4,489.81 = 1,239.03/x
  3. Step 3: Cross multiply
    2,994.50x = 4,489.81 × 1,239.03
  4. Step 4: Simplify right side
    2,994.50x = 5,563,013.16
  5. Step 5: Solve for x
    x = 5,563,013.16/2,994.50
  6. Step 6: Final answer
    x = 1,857.74

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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.