Home / 2,630.38-3,942.90-1,706.52

Finding the Fourth Proportional to 2,630.38, 3,942.90 and 1,706.52

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Solution

The fourth proportional to 2,630.38, 3,942.90 and 1,706.52 is: 2,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.38 : 3,942.90 = 1,706.52 : x
  2. Step 2: Convert to fraction form
    2,630.38/3,942.90 = 1,706.52/x
  3. Step 3: Cross multiply
    2,630.38x = 3,942.90 × 1,706.52
  4. Step 4: Simplify right side
    2,630.38x = 6,728,637.71
  5. Step 5: Solve for x
    x = 6,728,637.71/2,630.38
  6. Step 6: Final answer
    x = 2,558.05

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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.