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Finding the Fourth Proportional to 2,774.86, 3,829.53 and 1,727.08

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Solution

The fourth proportional to 2,774.86, 3,829.53 and 1,727.08 is: 2,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.86 : 3,829.53 = 1,727.08 : x
  2. Step 2: Convert to fraction form
    2,774.86/3,829.53 = 1,727.08/x
  3. Step 3: Cross multiply
    2,774.86x = 3,829.53 × 1,727.08
  4. Step 4: Simplify right side
    2,774.86x = 6,613,904.67
  5. Step 5: Solve for x
    x = 6,613,904.67/2,774.86
  6. Step 6: Final answer
    x = 2,383.51

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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.