Home / 3,125.88-4,314-1,799.64

Finding the Fourth Proportional to 3,125.88, 4,314 and 1,799.64

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Solution

The fourth proportional to 3,125.88, 4,314 and 1,799.64 is: 2,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.88 : 4,314 = 1,799.64 : x
  2. Step 2: Convert to fraction form
    3,125.88/4,314 = 1,799.64/x
  3. Step 3: Cross multiply
    3,125.88x = 4,314 × 1,799.64
  4. Step 4: Simplify right side
    3,125.88x = 7,763,646.96
  5. Step 5: Solve for x
    x = 7,763,646.96/3,125.88
  6. Step 6: Final answer
    x = 2,483.67

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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.