Home / 3,646.85-5,470.58-1,181.72

Finding the Fourth Proportional to 3,646.85, 5,470.58 and 1,181.72

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Solution

The fourth proportional to 3,646.85, 5,470.58 and 1,181.72 is: 1,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.85 : 5,470.58 = 1,181.72 : x
  2. Step 2: Convert to fraction form
    3,646.85/5,470.58 = 1,181.72/x
  3. Step 3: Cross multiply
    3,646.85x = 5,470.58 × 1,181.72
  4. Step 4: Simplify right side
    3,646.85x = 6,464,666.44
  5. Step 5: Solve for x
    x = 6,464,666.44/3,646.85
  6. Step 6: Final answer
    x = 1,772.67

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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.