Home / 1,408.24-1,940.34-1,014.58

Finding the Fourth Proportional to 1,408.24, 1,940.34 and 1,014.58

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Solution

The fourth proportional to 1,408.24, 1,940.34 and 1,014.58 is: 1,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408.24 : 1,940.34 = 1,014.58 : x
  2. Step 2: Convert to fraction form
    1,408.24/1,940.34 = 1,014.58/x
  3. Step 3: Cross multiply
    1,408.24x = 1,940.34 × 1,014.58
  4. Step 4: Simplify right side
    1,408.24x = 1,968,630.16
  5. Step 5: Solve for x
    x = 1,968,630.16/1,408.24
  6. Step 6: Final answer
    x = 1,397.94

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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.