Home / 3,220.02-4,443.75-2,660.22

Finding the Fourth Proportional to 3,220.02, 4,443.75 and 2,660.22

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Solution

The fourth proportional to 3,220.02, 4,443.75 and 2,660.22 is: 3,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.02 : 4,443.75 = 2,660.22 : x
  2. Step 2: Convert to fraction form
    3,220.02/4,443.75 = 2,660.22/x
  3. Step 3: Cross multiply
    3,220.02x = 4,443.75 × 2,660.22
  4. Step 4: Simplify right side
    3,220.02x = 11,821,352.63
  5. Step 5: Solve for x
    x = 11,821,352.63/3,220.02
  6. Step 6: Final answer
    x = 3,671.20

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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.