Home / 2,912.30-4,019.32-1,733.36

Finding the Fourth Proportional to 2,912.30, 4,019.32 and 1,733.36

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Solution

The fourth proportional to 2,912.30, 4,019.32 and 1,733.36 is: 2,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.30 : 4,019.32 = 1,733.36 : x
  2. Step 2: Convert to fraction form
    2,912.30/4,019.32 = 1,733.36/x
  3. Step 3: Cross multiply
    2,912.30x = 4,019.32 × 1,733.36
  4. Step 4: Simplify right side
    2,912.30x = 6,966,928.52
  5. Step 5: Solve for x
    x = 6,966,928.52/2,912.30
  6. Step 6: Final answer
    x = 2,392.24

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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.