Home / 1,749.09-2,413.74-1,003.05

Finding the Fourth Proportional to 1,749.09, 2,413.74 and 1,003.05

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Solution

The fourth proportional to 1,749.09, 2,413.74 and 1,003.05 is: 1,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.09 : 2,413.74 = 1,003.05 : x
  2. Step 2: Convert to fraction form
    1,749.09/2,413.74 = 1,003.05/x
  3. Step 3: Cross multiply
    1,749.09x = 2,413.74 × 1,003.05
  4. Step 4: Simplify right side
    1,749.09x = 2,421,101.91
  5. Step 5: Solve for x
    x = 2,421,101.91/1,749.09
  6. Step 6: Final answer
    x = 1,384.21

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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.