Home / 2,935.55-4,051.78-1,992.91

Finding the Fourth Proportional to 2,935.55, 4,051.78 and 1,992.91

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Solution

The fourth proportional to 2,935.55, 4,051.78 and 1,992.91 is: 2,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.55 : 4,051.78 = 1,992.91 : x
  2. Step 2: Convert to fraction form
    2,935.55/4,051.78 = 1,992.91/x
  3. Step 3: Cross multiply
    2,935.55x = 4,051.78 × 1,992.91
  4. Step 4: Simplify right side
    2,935.55x = 8,074,832.88
  5. Step 5: Solve for x
    x = 8,074,832.88/2,935.55
  6. Step 6: Final answer
    x = 2,750.71

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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.