Home / 2,477.96-3,422.58-1,960.84

Finding the Fourth Proportional to 2,477.96, 3,422.58 and 1,960.84

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Solution

The fourth proportional to 2,477.96, 3,422.58 and 1,960.84 is: 2,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.96 : 3,422.58 = 1,960.84 : x
  2. Step 2: Convert to fraction form
    2,477.96/3,422.58 = 1,960.84/x
  3. Step 3: Cross multiply
    2,477.96x = 3,422.58 × 1,960.84
  4. Step 4: Simplify right side
    2,477.96x = 6,711,131.77
  5. Step 5: Solve for x
    x = 6,711,131.77/2,477.96
  6. Step 6: Final answer
    x = 2,708.33

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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.