Home / 3,541.22-4,884.31-2,420.99

Finding the Fourth Proportional to 3,541.22, 4,884.31 and 2,420.99

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Solution

The fourth proportional to 3,541.22, 4,884.31 and 2,420.99 is: 3,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.22 : 4,884.31 = 2,420.99 : x
  2. Step 2: Convert to fraction form
    3,541.22/4,884.31 = 2,420.99/x
  3. Step 3: Cross multiply
    3,541.22x = 4,884.31 × 2,420.99
  4. Step 4: Simplify right side
    3,541.22x = 11,824,880.90
  5. Step 5: Solve for x
    x = 11,824,880.90/3,541.22
  6. Step 6: Final answer
    x = 3,339.21

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1.5x scale

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.