Home / 2,969.18-4,451.31-1,408.34

Finding the Fourth Proportional to 2,969.18, 4,451.31 and 1,408.34

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Solution

The fourth proportional to 2,969.18, 4,451.31 and 1,408.34 is: 2,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.18 : 4,451.31 = 1,408.34 : x
  2. Step 2: Convert to fraction form
    2,969.18/4,451.31 = 1,408.34/x
  3. Step 3: Cross multiply
    2,969.18x = 4,451.31 × 1,408.34
  4. Step 4: Simplify right side
    2,969.18x = 6,268,957.93
  5. Step 5: Solve for x
    x = 6,268,957.93/2,969.18
  6. Step 6: Final answer
    x = 2,111.34

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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.