Home / 2,208.28-3,046.76-1,323.76

Finding the Fourth Proportional to 2,208.28, 3,046.76 and 1,323.76

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Solution

The fourth proportional to 2,208.28, 3,046.76 and 1,323.76 is: 1,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.28 : 3,046.76 = 1,323.76 : x
  2. Step 2: Convert to fraction form
    2,208.28/3,046.76 = 1,323.76/x
  3. Step 3: Cross multiply
    2,208.28x = 3,046.76 × 1,323.76
  4. Step 4: Simplify right side
    2,208.28x = 4,033,157.17
  5. Step 5: Solve for x
    x = 4,033,157.17/2,208.28
  6. Step 6: Final answer
    x = 1,826.38

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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.