Home / 3,009.00-4,152.34-1,664.65

Finding the Fourth Proportional to 3,009.00, 4,152.34 and 1,664.65

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Solution

The fourth proportional to 3,009.00, 4,152.34 and 1,664.65 is: 2,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.00 : 4,152.34 = 1,664.65 : x
  2. Step 2: Convert to fraction form
    3,009.00/4,152.34 = 1,664.65/x
  3. Step 3: Cross multiply
    3,009.00x = 4,152.34 × 1,664.65
  4. Step 4: Simplify right side
    3,009.00x = 6,912,207.17
  5. Step 5: Solve for x
    x = 6,912,207.17/3,009.00
  6. Step 6: Final answer
    x = 2,297.18

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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.