Home / 2,150.34-2,968.08-1,394.09

Finding the Fourth Proportional to 2,150.34, 2,968.08 and 1,394.09

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Solution

The fourth proportional to 2,150.34, 2,968.08 and 1,394.09 is: 1,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.34 : 2,968.08 = 1,394.09 : x
  2. Step 2: Convert to fraction form
    2,150.34/2,968.08 = 1,394.09/x
  3. Step 3: Cross multiply
    2,150.34x = 2,968.08 × 1,394.09
  4. Step 4: Simplify right side
    2,150.34x = 4,137,769.55
  5. Step 5: Solve for x
    x = 4,137,769.55/2,150.34
  6. Step 6: Final answer
    x = 1,924.24

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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.