Home / 3,004.48-4,143.52-2,220.48

Finding the Fourth Proportional to 3,004.48, 4,143.52 and 2,220.48

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Solution

The fourth proportional to 3,004.48, 4,143.52 and 2,220.48 is: 3,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.48 : 4,143.52 = 2,220.48 : x
  2. Step 2: Convert to fraction form
    3,004.48/4,143.52 = 2,220.48/x
  3. Step 3: Cross multiply
    3,004.48x = 4,143.52 × 2,220.48
  4. Step 4: Simplify right side
    3,004.48x = 9,200,603.29
  5. Step 5: Solve for x
    x = 9,200,603.29/3,004.48
  6. Step 6: Final answer
    x = 3,062.29

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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.