Home / 2,973.54-4,440.79-2,389.43

Finding the Fourth Proportional to 2,973.54, 4,440.79 and 2,389.43

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Solution

The fourth proportional to 2,973.54, 4,440.79 and 2,389.43 is: 3,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.54 : 4,440.79 = 2,389.43 : x
  2. Step 2: Convert to fraction form
    2,973.54/4,440.79 = 2,389.43/x
  3. Step 3: Cross multiply
    2,973.54x = 4,440.79 × 2,389.43
  4. Step 4: Simplify right side
    2,973.54x = 10,610,956.85
  5. Step 5: Solve for x
    x = 10,610,956.85/2,973.54
  6. Step 6: Final answer
    x = 3,568.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.