Home / 1,891.32-2,846.88-1,725.18

Finding the Fourth Proportional to 1,891.32, 2,846.88 and 1,725.18

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Solution

The fourth proportional to 1,891.32, 2,846.88 and 1,725.18 is: 2,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.32 : 2,846.88 = 1,725.18 : x
  2. Step 2: Convert to fraction form
    1,891.32/2,846.88 = 1,725.18/x
  3. Step 3: Cross multiply
    1,891.32x = 2,846.88 × 1,725.18
  4. Step 4: Simplify right side
    1,891.32x = 4,911,380.44
  5. Step 5: Solve for x
    x = 4,911,380.44/1,891.32
  6. Step 6: Final answer
    x = 2,596.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.