Home / 3,220.02-4,442.54-2,040.92

Finding the Fourth Proportional to 3,220.02, 4,442.54 and 2,040.92

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Solution

The fourth proportional to 3,220.02, 4,442.54 and 2,040.92 is: 2,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.02 : 4,442.54 = 2,040.92 : x
  2. Step 2: Convert to fraction form
    3,220.02/4,442.54 = 2,040.92/x
  3. Step 3: Cross multiply
    3,220.02x = 4,442.54 × 2,040.92
  4. Step 4: Simplify right side
    3,220.02x = 9,066,868.74
  5. Step 5: Solve for x
    x = 9,066,868.74/3,220.02
  6. Step 6: Final answer
    x = 2,815.78

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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.