Home / 2,630.36-3,942.87-1,706.51

Finding the Fourth Proportional to 2,630.36, 3,942.87 and 1,706.51

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Solution

The fourth proportional to 2,630.36, 3,942.87 and 1,706.51 is: 2,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.36 : 3,942.87 = 1,706.51 : x
  2. Step 2: Convert to fraction form
    2,630.36/3,942.87 = 1,706.51/x
  3. Step 3: Cross multiply
    2,630.36x = 3,942.87 × 1,706.51
  4. Step 4: Simplify right side
    2,630.36x = 6,728,547.08
  5. Step 5: Solve for x
    x = 6,728,547.08/2,630.36
  6. Step 6: Final answer
    x = 2,558.03

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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.