Home / 2,277.63-3,145.01-1,393.92

Finding the Fourth Proportional to 2,277.63, 3,145.01 and 1,393.92

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Solution

The fourth proportional to 2,277.63, 3,145.01 and 1,393.92 is: 1,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.63 : 3,145.01 = 1,393.92 : x
  2. Step 2: Convert to fraction form
    2,277.63/3,145.01 = 1,393.92/x
  3. Step 3: Cross multiply
    2,277.63x = 3,145.01 × 1,393.92
  4. Step 4: Simplify right side
    2,277.63x = 4,383,885.37
  5. Step 5: Solve for x
    x = 4,383,885.37/2,277.63
  6. Step 6: Final answer
    x = 1,924.76

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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.