Home / 3,231.40-4,837.65-2,413.30

Finding the Fourth Proportional to 3,231.40, 4,837.65 and 2,413.30

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Solution

The fourth proportional to 3,231.40, 4,837.65 and 2,413.30 is: 3,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.40 : 4,837.65 = 2,413.30 : x
  2. Step 2: Convert to fraction form
    3,231.40/4,837.65 = 2,413.30/x
  3. Step 3: Cross multiply
    3,231.40x = 4,837.65 × 2,413.30
  4. Step 4: Simplify right side
    3,231.40x = 11,674,700.75
  5. Step 5: Solve for x
    x = 11,674,700.75/3,231.40
  6. Step 6: Final answer
    x = 3,612.89

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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.