Home / 2,960.77-4,085.84-1,634.45

Finding the Fourth Proportional to 2,960.77, 4,085.84 and 1,634.45

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Solution

The fourth proportional to 2,960.77, 4,085.84 and 1,634.45 is: 2,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.77 : 4,085.84 = 1,634.45 : x
  2. Step 2: Convert to fraction form
    2,960.77/4,085.84 = 1,634.45/x
  3. Step 3: Cross multiply
    2,960.77x = 4,085.84 × 1,634.45
  4. Step 4: Simplify right side
    2,960.77x = 6,678,101.19
  5. Step 5: Solve for x
    x = 6,678,101.19/2,960.77
  6. Step 6: Final answer
    x = 2,255.53

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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.