Home / 3,392.56-5,087.64-1,542.12

Finding the Fourth Proportional to 3,392.56, 5,087.64 and 1,542.12

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Solution

The fourth proportional to 3,392.56, 5,087.64 and 1,542.12 is: 2,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.56 : 5,087.64 = 1,542.12 : x
  2. Step 2: Convert to fraction form
    3,392.56/5,087.64 = 1,542.12/x
  3. Step 3: Cross multiply
    3,392.56x = 5,087.64 × 1,542.12
  4. Step 4: Simplify right side
    3,392.56x = 7,845,751.40
  5. Step 5: Solve for x
    x = 7,845,751.40/3,392.56
  6. Step 6: Final answer
    x = 2,312.63

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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.