Home / 2,994.46-4,131.87-1,668.13

Finding the Fourth Proportional to 2,994.46, 4,131.87 and 1,668.13

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Solution

The fourth proportional to 2,994.46, 4,131.87 and 1,668.13 is: 2,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.46 : 4,131.87 = 1,668.13 : x
  2. Step 2: Convert to fraction form
    2,994.46/4,131.87 = 1,668.13/x
  3. Step 3: Cross multiply
    2,994.46x = 4,131.87 × 1,668.13
  4. Step 4: Simplify right side
    2,994.46x = 6,892,479.72
  5. Step 5: Solve for x
    x = 6,892,479.72/2,994.46
  6. Step 6: Final answer
    x = 2,301.75

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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.