Home / 3,210.56-4,815.73-1,360.48

Finding the Fourth Proportional to 3,210.56, 4,815.73 and 1,360.48

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Solution

The fourth proportional to 3,210.56, 4,815.73 and 1,360.48 is: 2,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.56 : 4,815.73 = 1,360.48 : x
  2. Step 2: Convert to fraction form
    3,210.56/4,815.73 = 1,360.48/x
  3. Step 3: Cross multiply
    3,210.56x = 4,815.73 × 1,360.48
  4. Step 4: Simplify right side
    3,210.56x = 6,551,704.35
  5. Step 5: Solve for x
    x = 6,551,704.35/3,210.56
  6. Step 6: Final answer
    x = 2,040.67

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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.