Home / 3,004.41-4,145.70-1,678.17

Finding the Fourth Proportional to 3,004.41, 4,145.70 and 1,678.17

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Solution

The fourth proportional to 3,004.41, 4,145.70 and 1,678.17 is: 2,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.41 : 4,145.70 = 1,678.17 : x
  2. Step 2: Convert to fraction form
    3,004.41/4,145.70 = 1,678.17/x
  3. Step 3: Cross multiply
    3,004.41x = 4,145.70 × 1,678.17
  4. Step 4: Simplify right side
    3,004.41x = 6,957,189.37
  5. Step 5: Solve for x
    x = 6,957,189.37/3,004.41
  6. Step 6: Final answer
    x = 2,315.66

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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.