Home / 2,828.88-4,239.60-1,366.02

Finding the Fourth Proportional to 2,828.88, 4,239.60 and 1,366.02

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Solution

The fourth proportional to 2,828.88, 4,239.60 and 1,366.02 is: 2,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.88 : 4,239.60 = 1,366.02 : x
  2. Step 2: Convert to fraction form
    2,828.88/4,239.60 = 1,366.02/x
  3. Step 3: Cross multiply
    2,828.88x = 4,239.60 × 1,366.02
  4. Step 4: Simplify right side
    2,828.88x = 5,791,378.39
  5. Step 5: Solve for x
    x = 5,791,378.39/2,828.88
  6. Step 6: Final answer
    x = 2,047.23

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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.