Home / 2,146.38-2,962.09-1,214.88

Finding the Fourth Proportional to 2,146.38, 2,962.09 and 1,214.88

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Solution

The fourth proportional to 2,146.38, 2,962.09 and 1,214.88 is: 1,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.38 : 2,962.09 = 1,214.88 : x
  2. Step 2: Convert to fraction form
    2,146.38/2,962.09 = 1,214.88/x
  3. Step 3: Cross multiply
    2,146.38x = 2,962.09 × 1,214.88
  4. Step 4: Simplify right side
    2,146.38x = 3,598,569.09
  5. Step 5: Solve for x
    x = 3,598,569.09/2,146.38
  6. Step 6: Final answer
    x = 1,676.58

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1.5x scale

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.