Home / 1,516.62-2,091.51-1,403.49

Finding the Fourth Proportional to 1,516.62, 2,091.51 and 1,403.49

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Solution

The fourth proportional to 1,516.62, 2,091.51 and 1,403.49 is: 1,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.62 : 2,091.51 = 1,403.49 : x
  2. Step 2: Convert to fraction form
    1,516.62/2,091.51 = 1,403.49/x
  3. Step 3: Cross multiply
    1,516.62x = 2,091.51 × 1,403.49
  4. Step 4: Simplify right side
    1,516.62x = 2,935,413.37
  5. Step 5: Solve for x
    x = 2,935,413.37/1,516.62
  6. Step 6: Final answer
    x = 1,935.50

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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.