Home / 2,476.44-3,416.31-1,678.73

Finding the Fourth Proportional to 2,476.44, 3,416.31 and 1,678.73

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Solution

The fourth proportional to 2,476.44, 3,416.31 and 1,678.73 is: 2,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.44 : 3,416.31 = 1,678.73 : x
  2. Step 2: Convert to fraction form
    2,476.44/3,416.31 = 1,678.73/x
  3. Step 3: Cross multiply
    2,476.44x = 3,416.31 × 1,678.73
  4. Step 4: Simplify right side
    2,476.44x = 5,735,045.00
  5. Step 5: Solve for x
    x = 5,735,045.00/2,476.44
  6. Step 6: Final answer
    x = 2,315.84

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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.