Home / 2,475.72-3,416.45-1,413.45

Finding the Fourth Proportional to 2,475.72, 3,416.45 and 1,413.45

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Solution

The fourth proportional to 2,475.72, 3,416.45 and 1,413.45 is: 1,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.72 : 3,416.45 = 1,413.45 : x
  2. Step 2: Convert to fraction form
    2,475.72/3,416.45 = 1,413.45/x
  3. Step 3: Cross multiply
    2,475.72x = 3,416.45 × 1,413.45
  4. Step 4: Simplify right side
    2,475.72x = 4,828,974.19
  5. Step 5: Solve for x
    x = 4,828,974.19/2,475.72
  6. Step 6: Final answer
    x = 1,950.53

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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.