Home / 2,201.65-3,038.52-1,317.67

Finding the Fourth Proportional to 2,201.65, 3,038.52 and 1,317.67

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Solution

The fourth proportional to 2,201.65, 3,038.52 and 1,317.67 is: 1,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.65 : 3,038.52 = 1,317.67 : x
  2. Step 2: Convert to fraction form
    2,201.65/3,038.52 = 1,317.67/x
  3. Step 3: Cross multiply
    2,201.65x = 3,038.52 × 1,317.67
  4. Step 4: Simplify right side
    2,201.65x = 4,003,766.65
  5. Step 5: Solve for x
    x = 4,003,766.65/2,201.65
  6. Step 6: Final answer
    x = 1,818.53

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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.