Home / 2,155.51-3,233.27-1,181.08

Finding the Fourth Proportional to 2,155.51, 3,233.27 and 1,181.08

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Solution

The fourth proportional to 2,155.51, 3,233.27 and 1,181.08 is: 1,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.51 : 3,233.27 = 1,181.08 : x
  2. Step 2: Convert to fraction form
    2,155.51/3,233.27 = 1,181.08/x
  3. Step 3: Cross multiply
    2,155.51x = 3,233.27 × 1,181.08
  4. Step 4: Simplify right side
    2,155.51x = 3,818,744.63
  5. Step 5: Solve for x
    x = 3,818,744.63/2,155.51
  6. Step 6: Final answer
    x = 1,771.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.