Home / 2,579.81-3,558.74-2,227.19

Finding the Fourth Proportional to 2,579.81, 3,558.74 and 2,227.19

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Solution

The fourth proportional to 2,579.81, 3,558.74 and 2,227.19 is: 3,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.81 : 3,558.74 = 2,227.19 : x
  2. Step 2: Convert to fraction form
    2,579.81/3,558.74 = 2,227.19/x
  3. Step 3: Cross multiply
    2,579.81x = 3,558.74 × 2,227.19
  4. Step 4: Simplify right side
    2,579.81x = 7,925,961.21
  5. Step 5: Solve for x
    x = 7,925,961.21/2,579.81
  6. Step 6: Final answer
    x = 3,072.31

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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.