Home / 2,926.74-4,040.37-2,262.09

Finding the Fourth Proportional to 2,926.74, 4,040.37 and 2,262.09

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Solution

The fourth proportional to 2,926.74, 4,040.37 and 2,262.09 is: 3,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.74 : 4,040.37 = 2,262.09 : x
  2. Step 2: Convert to fraction form
    2,926.74/4,040.37 = 2,262.09/x
  3. Step 3: Cross multiply
    2,926.74x = 4,040.37 × 2,262.09
  4. Step 4: Simplify right side
    2,926.74x = 9,139,680.57
  5. Step 5: Solve for x
    x = 9,139,680.57/2,926.74
  6. Step 6: Final answer
    x = 3,122.82

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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.