Home / 2,883.74-3,979.94-1,625.06

Finding the Fourth Proportional to 2,883.74, 3,979.94 and 1,625.06

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Solution

The fourth proportional to 2,883.74, 3,979.94 and 1,625.06 is: 2,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.74 : 3,979.94 = 1,625.06 : x
  2. Step 2: Convert to fraction form
    2,883.74/3,979.94 = 1,625.06/x
  3. Step 3: Cross multiply
    2,883.74x = 3,979.94 × 1,625.06
  4. Step 4: Simplify right side
    2,883.74x = 6,467,643.12
  5. Step 5: Solve for x
    x = 6,467,643.12/2,883.74
  6. Step 6: Final answer
    x = 2,242.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.