Home / 3,388.15-4,674.54-1,895.86

Finding the Fourth Proportional to 3,388.15, 4,674.54 and 1,895.86

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Solution

The fourth proportional to 3,388.15, 4,674.54 and 1,895.86 is: 2,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.15 : 4,674.54 = 1,895.86 : x
  2. Step 2: Convert to fraction form
    3,388.15/4,674.54 = 1,895.86/x
  3. Step 3: Cross multiply
    3,388.15x = 4,674.54 × 1,895.86
  4. Step 4: Simplify right side
    3,388.15x = 8,862,273.40
  5. Step 5: Solve for x
    x = 8,862,273.40/3,388.15
  6. Step 6: Final answer
    x = 2,615.67

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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.