Home / 2,413.50-3,330.63-1,309.50

Finding the Fourth Proportional to 2,413.50, 3,330.63 and 1,309.50

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Solution

The fourth proportional to 2,413.50, 3,330.63 and 1,309.50 is: 1,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.50 : 3,330.63 = 1,309.50 : x
  2. Step 2: Convert to fraction form
    2,413.50/3,330.63 = 1,309.50/x
  3. Step 3: Cross multiply
    2,413.50x = 3,330.63 × 1,309.50
  4. Step 4: Simplify right side
    2,413.50x = 4,361,459.99
  5. Step 5: Solve for x
    x = 4,361,459.99/2,413.50
  6. Step 6: Final answer
    x = 1,807.11

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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.