Home / 1,610.47-2,413.54-1,325.35

Finding the Fourth Proportional to 1,610.47, 2,413.54 and 1,325.35

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Solution

The fourth proportional to 1,610.47, 2,413.54 and 1,325.35 is: 1,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.47 : 2,413.54 = 1,325.35 : x
  2. Step 2: Convert to fraction form
    1,610.47/2,413.54 = 1,325.35/x
  3. Step 3: Cross multiply
    1,610.47x = 2,413.54 × 1,325.35
  4. Step 4: Simplify right side
    1,610.47x = 3,198,785.24
  5. Step 5: Solve for x
    x = 3,198,785.24/1,610.47
  6. Step 6: Final answer
    x = 1,986.24

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1.5x scale

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.