Home / 2,915.88-4,024.03-1,657.15

Finding the Fourth Proportional to 2,915.88, 4,024.03 and 1,657.15

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Solution

The fourth proportional to 2,915.88, 4,024.03 and 1,657.15 is: 2,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.88 : 4,024.03 = 1,657.15 : x
  2. Step 2: Convert to fraction form
    2,915.88/4,024.03 = 1,657.15/x
  3. Step 3: Cross multiply
    2,915.88x = 4,024.03 × 1,657.15
  4. Step 4: Simplify right side
    2,915.88x = 6,668,413.03
  5. Step 5: Solve for x
    x = 6,668,413.03/2,915.88
  6. Step 6: Final answer
    x = 2,286.93

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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.