Home / 3,004.51-4,146.04-1,678.29

Finding the Fourth Proportional to 3,004.51, 4,146.04 and 1,678.29

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Solution

The fourth proportional to 3,004.51, 4,146.04 and 1,678.29 is: 2,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.51 : 4,146.04 = 1,678.29 : x
  2. Step 2: Convert to fraction form
    3,004.51/4,146.04 = 1,678.29/x
  3. Step 3: Cross multiply
    3,004.51x = 4,146.04 × 1,678.29
  4. Step 4: Simplify right side
    3,004.51x = 6,958,257.47
  5. Step 5: Solve for x
    x = 6,958,257.47/3,004.51
  6. Step 6: Final answer
    x = 2,315.94

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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.