Home / 1,749.22-2,413.91-1,303.09

Finding the Fourth Proportional to 1,749.22, 2,413.91 and 1,303.09

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Solution

The fourth proportional to 1,749.22, 2,413.91 and 1,303.09 is: 1,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.22 : 2,413.91 = 1,303.09 : x
  2. Step 2: Convert to fraction form
    1,749.22/2,413.91 = 1,303.09/x
  3. Step 3: Cross multiply
    1,749.22x = 2,413.91 × 1,303.09
  4. Step 4: Simplify right side
    1,749.22x = 3,145,523.40
  5. Step 5: Solve for x
    x = 3,145,523.40/1,749.22
  6. Step 6: Final answer
    x = 1,798.25

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1.5x scale

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.