Home / 1,630.05-2,439.46-1,266.49

Finding the Fourth Proportional to 1,630.05, 2,439.46 and 1,266.49

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Solution

The fourth proportional to 1,630.05, 2,439.46 and 1,266.49 is: 1,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.05 : 2,439.46 = 1,266.49 : x
  2. Step 2: Convert to fraction form
    1,630.05/2,439.46 = 1,266.49/x
  3. Step 3: Cross multiply
    1,630.05x = 2,439.46 × 1,266.49
  4. Step 4: Simplify right side
    1,630.05x = 3,089,551.70
  5. Step 5: Solve for x
    x = 3,089,551.70/1,630.05
  6. Step 6: Final answer
    x = 1,895.37

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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.