Home / 2,949.74-4,071.03-1,904.84

Finding the Fourth Proportional to 2,949.74, 4,071.03 and 1,904.84

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Solution

The fourth proportional to 2,949.74, 4,071.03 and 1,904.84 is: 2,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.74 : 4,071.03 = 1,904.84 : x
  2. Step 2: Convert to fraction form
    2,949.74/4,071.03 = 1,904.84/x
  3. Step 3: Cross multiply
    2,949.74x = 4,071.03 × 1,904.84
  4. Step 4: Simplify right side
    2,949.74x = 7,754,660.79
  5. Step 5: Solve for x
    x = 7,754,660.79/2,949.74
  6. Step 6: Final answer
    x = 2,628.93

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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.