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Finding the Fourth Proportional to 2,009.25, 3,013.56 and 548.51

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Solution

The fourth proportional to 2,009.25, 3,013.56 and 548.51 is: 822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.25 : 3,013.56 = 548.51 : x
  2. Step 2: Convert to fraction form
    2,009.25/3,013.56 = 548.51/x
  3. Step 3: Cross multiply
    2,009.25x = 3,013.56 × 548.51
  4. Step 4: Simplify right side
    2,009.25x = 1,652,952.73
  5. Step 5: Solve for x
    x = 1,652,952.73/2,009.25
  6. Step 6: Final answer
    x = 822.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.