Home / 1,583.35-2,183.60-1,318.67

Finding the Fourth Proportional to 1,583.35, 2,183.60 and 1,318.67

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Solution

The fourth proportional to 1,583.35, 2,183.60 and 1,318.67 is: 1,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.35 : 2,183.60 = 1,318.67 : x
  2. Step 2: Convert to fraction form
    1,583.35/2,183.60 = 1,318.67/x
  3. Step 3: Cross multiply
    1,583.35x = 2,183.60 × 1,318.67
  4. Step 4: Simplify right side
    1,583.35x = 2,879,452.76
  5. Step 5: Solve for x
    x = 2,879,452.76/1,583.35
  6. Step 6: Final answer
    x = 1,818.58

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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.