Home / 1,926.22-2,676.11-1,903.18

Finding the Fourth Proportional to 1,926.22, 2,676.11 and 1,903.18

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Solution

The fourth proportional to 1,926.22, 2,676.11 and 1,903.18 is: 2,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.22 : 2,676.11 = 1,903.18 : x
  2. Step 2: Convert to fraction form
    1,926.22/2,676.11 = 1,903.18/x
  3. Step 3: Cross multiply
    1,926.22x = 2,676.11 × 1,903.18
  4. Step 4: Simplify right side
    1,926.22x = 5,093,119.03
  5. Step 5: Solve for x
    x = 5,093,119.03/1,926.22
  6. Step 6: Final answer
    x = 2,644.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.