Home / 2,832.18-3,908.39-1,556.08

Finding the Fourth Proportional to 2,832.18, 3,908.39 and 1,556.08

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Solution

The fourth proportional to 2,832.18, 3,908.39 and 1,556.08 is: 2,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.18 : 3,908.39 = 1,556.08 : x
  2. Step 2: Convert to fraction form
    2,832.18/3,908.39 = 1,556.08/x
  3. Step 3: Cross multiply
    2,832.18x = 3,908.39 × 1,556.08
  4. Step 4: Simplify right side
    2,832.18x = 6,081,740.19
  5. Step 5: Solve for x
    x = 6,081,740.19/2,832.18
  6. Step 6: Final answer
    x = 2,147.37

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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.