Home / 2,413.48-3,330.62-1,418.78

Finding the Fourth Proportional to 2,413.48, 3,330.62 and 1,418.78

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Solution

The fourth proportional to 2,413.48, 3,330.62 and 1,418.78 is: 1,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.48 : 3,330.62 = 1,418.78 : x
  2. Step 2: Convert to fraction form
    2,413.48/3,330.62 = 1,418.78/x
  3. Step 3: Cross multiply
    2,413.48x = 3,330.62 × 1,418.78
  4. Step 4: Simplify right side
    2,413.48x = 4,725,417.04
  5. Step 5: Solve for x
    x = 4,725,417.04/2,413.48
  6. Step 6: Final answer
    x = 1,957.93

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1.5x scale

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.