Home / 3,228.68-4,835.64-1,927.46

Finding the Fourth Proportional to 3,228.68, 4,835.64 and 1,927.46

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Solution

The fourth proportional to 3,228.68, 4,835.64 and 1,927.46 is: 2,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.68 : 4,835.64 = 1,927.46 : x
  2. Step 2: Convert to fraction form
    3,228.68/4,835.64 = 1,927.46/x
  3. Step 3: Cross multiply
    3,228.68x = 4,835.64 × 1,927.46
  4. Step 4: Simplify right side
    3,228.68x = 9,320,502.67
  5. Step 5: Solve for x
    x = 9,320,502.67/3,228.68
  6. Step 6: Final answer
    x = 2,886.78

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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.