Home / 2,956.87-4,080.77-1,777.92

Finding the Fourth Proportional to 2,956.87, 4,080.77 and 1,777.92

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Solution

The fourth proportional to 2,956.87, 4,080.77 and 1,777.92 is: 2,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.87 : 4,080.77 = 1,777.92 : x
  2. Step 2: Convert to fraction form
    2,956.87/4,080.77 = 1,777.92/x
  3. Step 3: Cross multiply
    2,956.87x = 4,080.77 × 1,777.92
  4. Step 4: Simplify right side
    2,956.87x = 7,255,282.60
  5. Step 5: Solve for x
    x = 7,255,282.60/2,956.87
  6. Step 6: Final answer
    x = 2,453.70

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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.