Home / 3,317.60-4,972.90-1,670.68

Finding the Fourth Proportional to 3,317.60, 4,972.90 and 1,670.68

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Solution

The fourth proportional to 3,317.60, 4,972.90 and 1,670.68 is: 2,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.60 : 4,972.90 = 1,670.68 : x
  2. Step 2: Convert to fraction form
    3,317.60/4,972.90 = 1,670.68/x
  3. Step 3: Cross multiply
    3,317.60x = 4,972.90 × 1,670.68
  4. Step 4: Simplify right side
    3,317.60x = 8,308,154.15
  5. Step 5: Solve for x
    x = 8,308,154.15/3,317.60
  6. Step 6: Final answer
    x = 2,504.27

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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.