Home / 3,048.21-4,206.65-1,722.06

Finding the Fourth Proportional to 3,048.21, 4,206.65 and 1,722.06

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Solution

The fourth proportional to 3,048.21, 4,206.65 and 1,722.06 is: 2,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.21 : 4,206.65 = 1,722.06 : x
  2. Step 2: Convert to fraction form
    3,048.21/4,206.65 = 1,722.06/x
  3. Step 3: Cross multiply
    3,048.21x = 4,206.65 × 1,722.06
  4. Step 4: Simplify right side
    3,048.21x = 7,244,095.09
  5. Step 5: Solve for x
    x = 7,244,095.09/3,048.21
  6. Step 6: Final answer
    x = 2,376.51

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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.