Home / 3,420.47-4,720.23-2,004.44

Finding the Fourth Proportional to 3,420.47, 4,720.23 and 2,004.44

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Solution

The fourth proportional to 3,420.47, 4,720.23 and 2,004.44 is: 2,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.47 : 4,720.23 = 2,004.44 : x
  2. Step 2: Convert to fraction form
    3,420.47/4,720.23 = 2,004.44/x
  3. Step 3: Cross multiply
    3,420.47x = 4,720.23 × 2,004.44
  4. Step 4: Simplify right side
    3,420.47x = 9,461,394.22
  5. Step 5: Solve for x
    x = 9,461,394.22/3,420.47
  6. Step 6: Final answer
    x = 2,766.11

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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.