Home / 2,915.80-4,021.33-2,463.77

Finding the Fourth Proportional to 2,915.80, 4,021.33 and 2,463.77

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Solution

The fourth proportional to 2,915.80, 4,021.33 and 2,463.77 is: 3,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.80 : 4,021.33 = 2,463.77 : x
  2. Step 2: Convert to fraction form
    2,915.80/4,021.33 = 2,463.77/x
  3. Step 3: Cross multiply
    2,915.80x = 4,021.33 × 2,463.77
  4. Step 4: Simplify right side
    2,915.80x = 9,907,633.19
  5. Step 5: Solve for x
    x = 9,907,633.19/2,915.80
  6. Step 6: Final answer
    x = 3,397.91

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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.