Home / 2,815.04-4,226.90-2,381.98

Finding the Fourth Proportional to 2,815.04, 4,226.90 and 2,381.98

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Solution

The fourth proportional to 2,815.04, 4,226.90 and 2,381.98 is: 3,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.04 : 4,226.90 = 2,381.98 : x
  2. Step 2: Convert to fraction form
    2,815.04/4,226.90 = 2,381.98/x
  3. Step 3: Cross multiply
    2,815.04x = 4,226.90 × 2,381.98
  4. Step 4: Simplify right side
    2,815.04x = 10,068,391.26
  5. Step 5: Solve for x
    x = 10,068,391.26/2,815.04
  6. Step 6: Final answer
    x = 3,576.64

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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.