Home / 3,137.60-4,705.61-1,289.23

Finding the Fourth Proportional to 3,137.60, 4,705.61 and 1,289.23

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Solution

The fourth proportional to 3,137.60, 4,705.61 and 1,289.23 is: 1,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.60 : 4,705.61 = 1,289.23 : x
  2. Step 2: Convert to fraction form
    3,137.60/4,705.61 = 1,289.23/x
  3. Step 3: Cross multiply
    3,137.60x = 4,705.61 × 1,289.23
  4. Step 4: Simplify right side
    3,137.60x = 6,066,613.58
  5. Step 5: Solve for x
    x = 6,066,613.58/3,137.60
  6. Step 6: Final answer
    x = 1,933.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.