Home / 1,942.03-2,681.58-1,583.18

Finding the Fourth Proportional to 1,942.03, 2,681.58 and 1,583.18

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Solution

The fourth proportional to 1,942.03, 2,681.58 and 1,583.18 is: 2,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.03 : 2,681.58 = 1,583.18 : x
  2. Step 2: Convert to fraction form
    1,942.03/2,681.58 = 1,583.18/x
  3. Step 3: Cross multiply
    1,942.03x = 2,681.58 × 1,583.18
  4. Step 4: Simplify right side
    1,942.03x = 4,245,416.30
  5. Step 5: Solve for x
    x = 4,245,416.30/1,942.03
  6. Step 6: Final answer
    x = 2,186.07

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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.