Home / 2,420.03-3,627.60-1,322.12

Finding the Fourth Proportional to 2,420.03, 3,627.60 and 1,322.12

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Solution

The fourth proportional to 2,420.03, 3,627.60 and 1,322.12 is: 1,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.03 : 3,627.60 = 1,322.12 : x
  2. Step 2: Convert to fraction form
    2,420.03/3,627.60 = 1,322.12/x
  3. Step 3: Cross multiply
    2,420.03x = 3,627.60 × 1,322.12
  4. Step 4: Simplify right side
    2,420.03x = 4,796,104.37
  5. Step 5: Solve for x
    x = 4,796,104.37/2,420.03
  6. Step 6: Final answer
    x = 1,981.84

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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.