Home / 3,201.45-4,802.67-1,352.40

Finding the Fourth Proportional to 3,201.45, 4,802.67 and 1,352.40

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Solution

The fourth proportional to 3,201.45, 4,802.67 and 1,352.40 is: 2,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.45 : 4,802.67 = 1,352.40 : x
  2. Step 2: Convert to fraction form
    3,201.45/4,802.67 = 1,352.40/x
  3. Step 3: Cross multiply
    3,201.45x = 4,802.67 × 1,352.40
  4. Step 4: Simplify right side
    3,201.45x = 6,495,130.91
  5. Step 5: Solve for x
    x = 6,495,130.91/3,201.45
  6. Step 6: Final answer
    x = 2,028.81

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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.