Home / 2,025.48-2,791.80-1,605.06

Finding the Fourth Proportional to 2,025.48, 2,791.80 and 1,605.06

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Solution

The fourth proportional to 2,025.48, 2,791.80 and 1,605.06 is: 2,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.48 : 2,791.80 = 1,605.06 : x
  2. Step 2: Convert to fraction form
    2,025.48/2,791.80 = 1,605.06/x
  3. Step 3: Cross multiply
    2,025.48x = 2,791.80 × 1,605.06
  4. Step 4: Simplify right side
    2,025.48x = 4,481,006.51
  5. Step 5: Solve for x
    x = 4,481,006.51/2,025.48
  6. Step 6: Final answer
    x = 2,212.32

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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.