Home / 1,625.54-2,243.70-1,331.51

Finding the Fourth Proportional to 1,625.54, 2,243.70 and 1,331.51

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Solution

The fourth proportional to 1,625.54, 2,243.70 and 1,331.51 is: 1,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.54 : 2,243.70 = 1,331.51 : x
  2. Step 2: Convert to fraction form
    1,625.54/2,243.70 = 1,331.51/x
  3. Step 3: Cross multiply
    1,625.54x = 2,243.70 × 1,331.51
  4. Step 4: Simplify right side
    1,625.54x = 2,987,497.77
  5. Step 5: Solve for x
    x = 2,987,497.77/1,625.54
  6. Step 6: Final answer
    x = 1,837.86

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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.