Home / 3,048.12-4,206.46-1,721.84

Finding the Fourth Proportional to 3,048.12, 4,206.46 and 1,721.84

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Solution

The fourth proportional to 3,048.12, 4,206.46 and 1,721.84 is: 2,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.12 : 4,206.46 = 1,721.84 : x
  2. Step 2: Convert to fraction form
    3,048.12/4,206.46 = 1,721.84/x
  3. Step 3: Cross multiply
    3,048.12x = 4,206.46 × 1,721.84
  4. Step 4: Simplify right side
    3,048.12x = 7,242,851.09
  5. Step 5: Solve for x
    x = 7,242,851.09/3,048.12
  6. Step 6: Final answer
    x = 2,376.17

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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.