Home / 2,420.56-3,627.96-1,119.24

Finding the Fourth Proportional to 2,420.56, 3,627.96 and 1,119.24

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Solution

The fourth proportional to 2,420.56, 3,627.96 and 1,119.24 is: 1,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.56 : 3,627.96 = 1,119.24 : x
  2. Step 2: Convert to fraction form
    2,420.56/3,627.96 = 1,119.24/x
  3. Step 3: Cross multiply
    2,420.56x = 3,627.96 × 1,119.24
  4. Step 4: Simplify right side
    2,420.56x = 4,060,557.95
  5. Step 5: Solve for x
    x = 4,060,557.95/2,420.56
  6. Step 6: Final answer
    x = 1,677.53

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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.