Home / 2,578.13-3,556.47-1,632.32

Finding the Fourth Proportional to 2,578.13, 3,556.47 and 1,632.32

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Solution

The fourth proportional to 2,578.13, 3,556.47 and 1,632.32 is: 2,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.13 : 3,556.47 = 1,632.32 : x
  2. Step 2: Convert to fraction form
    2,578.13/3,556.47 = 1,632.32/x
  3. Step 3: Cross multiply
    2,578.13x = 3,556.47 × 1,632.32
  4. Step 4: Simplify right side
    2,578.13x = 5,805,279.33
  5. Step 5: Solve for x
    x = 5,805,279.33/2,578.13
  6. Step 6: Final answer
    x = 2,251.74

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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.