Home / 2,625.16-3,939.56-1,698.41

Finding the Fourth Proportional to 2,625.16, 3,939.56 and 1,698.41

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Solution

The fourth proportional to 2,625.16, 3,939.56 and 1,698.41 is: 2,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.16 : 3,939.56 = 1,698.41 : x
  2. Step 2: Convert to fraction form
    2,625.16/3,939.56 = 1,698.41/x
  3. Step 3: Cross multiply
    2,625.16x = 3,939.56 × 1,698.41
  4. Step 4: Simplify right side
    2,625.16x = 6,690,988.10
  5. Step 5: Solve for x
    x = 6,690,988.10/2,625.16
  6. Step 6: Final answer
    x = 2,548.79

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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.