Home / 2,415.50-3,333.42-1,367.54

Finding the Fourth Proportional to 2,415.50, 3,333.42 and 1,367.54

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Solution

The fourth proportional to 2,415.50, 3,333.42 and 1,367.54 is: 1,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.50 : 3,333.42 = 1,367.54 : x
  2. Step 2: Convert to fraction form
    2,415.50/3,333.42 = 1,367.54/x
  3. Step 3: Cross multiply
    2,415.50x = 3,333.42 × 1,367.54
  4. Step 4: Simplify right side
    2,415.50x = 4,558,585.19
  5. Step 5: Solve for x
    x = 4,558,585.19/2,415.50
  6. Step 6: Final answer
    x = 1,887.22

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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.