Home / 3,521.46-4,858.56-2,009.02

Finding the Fourth Proportional to 3,521.46, 4,858.56 and 2,009.02

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Solution

The fourth proportional to 3,521.46, 4,858.56 and 2,009.02 is: 2,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.46 : 4,858.56 = 2,009.02 : x
  2. Step 2: Convert to fraction form
    3,521.46/4,858.56 = 2,009.02/x
  3. Step 3: Cross multiply
    3,521.46x = 4,858.56 × 2,009.02
  4. Step 4: Simplify right side
    3,521.46x = 9,760,932.06
  5. Step 5: Solve for x
    x = 9,760,932.06/3,521.46
  6. Step 6: Final answer
    x = 2,771.84

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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.