Home / 1,722.08-2,580.07-1,413.47

Finding the Fourth Proportional to 1,722.08, 2,580.07 and 1,413.47

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Solution

The fourth proportional to 1,722.08, 2,580.07 and 1,413.47 is: 2,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.08 : 2,580.07 = 1,413.47 : x
  2. Step 2: Convert to fraction form
    1,722.08/2,580.07 = 1,413.47/x
  3. Step 3: Cross multiply
    1,722.08x = 2,580.07 × 1,413.47
  4. Step 4: Simplify right side
    1,722.08x = 3,646,851.54
  5. Step 5: Solve for x
    x = 3,646,851.54/1,722.08
  6. Step 6: Final answer
    x = 2,117.70

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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.