Home / 2,226.79-3,072.63-1,330.26

Finding the Fourth Proportional to 2,226.79, 3,072.63 and 1,330.26

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Solution

The fourth proportional to 2,226.79, 3,072.63 and 1,330.26 is: 1,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.79 : 3,072.63 = 1,330.26 : x
  2. Step 2: Convert to fraction form
    2,226.79/3,072.63 = 1,330.26/x
  3. Step 3: Cross multiply
    2,226.79x = 3,072.63 × 1,330.26
  4. Step 4: Simplify right side
    2,226.79x = 4,087,390.25
  5. Step 5: Solve for x
    x = 4,087,390.25/2,226.79
  6. Step 6: Final answer
    x = 1,835.55

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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.