Home / 2,722.77-4,090.23-1,683.54

Finding the Fourth Proportional to 2,722.77, 4,090.23 and 1,683.54

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Solution

The fourth proportional to 2,722.77, 4,090.23 and 1,683.54 is: 2,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.77 : 4,090.23 = 1,683.54 : x
  2. Step 2: Convert to fraction form
    2,722.77/4,090.23 = 1,683.54/x
  3. Step 3: Cross multiply
    2,722.77x = 4,090.23 × 1,683.54
  4. Step 4: Simplify right side
    2,722.77x = 6,886,065.81
  5. Step 5: Solve for x
    x = 6,886,065.81/2,722.77
  6. Step 6: Final answer
    x = 2,529.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.