Home / 2,815.16-4,224.98-1,583.80

Finding the Fourth Proportional to 2,815.16, 4,224.98 and 1,583.80

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Solution

The fourth proportional to 2,815.16, 4,224.98 and 1,583.80 is: 2,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.16 : 4,224.98 = 1,583.80 : x
  2. Step 2: Convert to fraction form
    2,815.16/4,224.98 = 1,583.80/x
  3. Step 3: Cross multiply
    2,815.16x = 4,224.98 × 1,583.80
  4. Step 4: Simplify right side
    2,815.16x = 6,691,523.32
  5. Step 5: Solve for x
    x = 6,691,523.32/2,815.16
  6. Step 6: Final answer
    x = 2,376.96

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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.