Home / 3,115.37-4,673.93-1,267.81

Finding the Fourth Proportional to 3,115.37, 4,673.93 and 1,267.81

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Solution

The fourth proportional to 3,115.37, 4,673.93 and 1,267.81 is: 1,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.37 : 4,673.93 = 1,267.81 : x
  2. Step 2: Convert to fraction form
    3,115.37/4,673.93 = 1,267.81/x
  3. Step 3: Cross multiply
    3,115.37x = 4,673.93 × 1,267.81
  4. Step 4: Simplify right side
    3,115.37x = 5,925,652.04
  5. Step 5: Solve for x
    x = 5,925,652.04/3,115.37
  6. Step 6: Final answer
    x = 1,902.07

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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.