Home / 2,826.86-4,240.49-1,095.48

Finding the Fourth Proportional to 2,826.86, 4,240.49 and 1,095.48

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Solution

The fourth proportional to 2,826.86, 4,240.49 and 1,095.48 is: 1,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.86 : 4,240.49 = 1,095.48 : x
  2. Step 2: Convert to fraction form
    2,826.86/4,240.49 = 1,095.48/x
  3. Step 3: Cross multiply
    2,826.86x = 4,240.49 × 1,095.48
  4. Step 4: Simplify right side
    2,826.86x = 4,645,366.51
  5. Step 5: Solve for x
    x = 4,645,366.51/2,826.86
  6. Step 6: Final answer
    x = 1,643.30

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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.