Home / 2,561.72-3,842.44-1,262.75

Finding the Fourth Proportional to 2,561.72, 3,842.44 and 1,262.75

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Solution

The fourth proportional to 2,561.72, 3,842.44 and 1,262.75 is: 1,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.72 : 3,842.44 = 1,262.75 : x
  2. Step 2: Convert to fraction form
    2,561.72/3,842.44 = 1,262.75/x
  3. Step 3: Cross multiply
    2,561.72x = 3,842.44 × 1,262.75
  4. Step 4: Simplify right side
    2,561.72x = 4,852,041.11
  5. Step 5: Solve for x
    x = 4,852,041.11/2,561.72
  6. Step 6: Final answer
    x = 1,894.06

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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.