Home / 2,455.92-3,678.35-1,413.45

Finding the Fourth Proportional to 2,455.92, 3,678.35 and 1,413.45

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Solution

The fourth proportional to 2,455.92, 3,678.35 and 1,413.45 is: 2,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.92 : 3,678.35 = 1,413.45 : x
  2. Step 2: Convert to fraction form
    2,455.92/3,678.35 = 1,413.45/x
  3. Step 3: Cross multiply
    2,455.92x = 3,678.35 × 1,413.45
  4. Step 4: Simplify right side
    2,455.92x = 5,199,156.74
  5. Step 5: Solve for x
    x = 5,199,156.74/2,455.92
  6. Step 6: Final answer
    x = 2,116.99

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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.