Home / 1,728.07-2,575.43-1,725.33

Finding the Fourth Proportional to 1,728.07, 2,575.43 and 1,725.33

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Solution

The fourth proportional to 1,728.07, 2,575.43 and 1,725.33 is: 2,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.07 : 2,575.43 = 1,725.33 : x
  2. Step 2: Convert to fraction form
    1,728.07/2,575.43 = 1,725.33/x
  3. Step 3: Cross multiply
    1,728.07x = 2,575.43 × 1,725.33
  4. Step 4: Simplify right side
    1,728.07x = 4,443,466.64
  5. Step 5: Solve for x
    x = 4,443,466.64/1,728.07
  6. Step 6: Final answer
    x = 2,571.35

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1.5x scale

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.