Home / 2,625.36-3,921.42-2,042.16

Finding the Fourth Proportional to 2,625.36, 3,921.42 and 2,042.16

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Solution

The fourth proportional to 2,625.36, 3,921.42 and 2,042.16 is: 3,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.36 : 3,921.42 = 2,042.16 : x
  2. Step 2: Convert to fraction form
    2,625.36/3,921.42 = 2,042.16/x
  3. Step 3: Cross multiply
    2,625.36x = 3,921.42 × 2,042.16
  4. Step 4: Simplify right side
    2,625.36x = 8,008,167.07
  5. Step 5: Solve for x
    x = 8,008,167.07/2,625.36
  6. Step 6: Final answer
    x = 3,050.31

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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.