Home / 2,340.23-3,510.34-1,107.98

Finding the Fourth Proportional to 2,340.23, 3,510.34 and 1,107.98

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Solution

The fourth proportional to 2,340.23, 3,510.34 and 1,107.98 is: 1,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.23 : 3,510.34 = 1,107.98 : x
  2. Step 2: Convert to fraction form
    2,340.23/3,510.34 = 1,107.98/x
  3. Step 3: Cross multiply
    2,340.23x = 3,510.34 × 1,107.98
  4. Step 4: Simplify right side
    2,340.23x = 3,889,392.52
  5. Step 5: Solve for x
    x = 3,889,392.52/2,340.23
  6. Step 6: Final answer
    x = 1,661.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.