Home / 3,609.40-5,413.02-1,663.24

Finding the Fourth Proportional to 3,609.40, 5,413.02 and 1,663.24

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Solution

The fourth proportional to 3,609.40, 5,413.02 and 1,663.24 is: 2,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.40 : 5,413.02 = 1,663.24 : x
  2. Step 2: Convert to fraction form
    3,609.40/5,413.02 = 1,663.24/x
  3. Step 3: Cross multiply
    3,609.40x = 5,413.02 × 1,663.24
  4. Step 4: Simplify right side
    3,609.40x = 9,003,151.38
  5. Step 5: Solve for x
    x = 9,003,151.38/3,609.40
  6. Step 6: Final answer
    x = 2,494.36

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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.