Home / 1,942.49-2,681.02-1,235.16

Finding the Fourth Proportional to 1,942.49, 2,681.02 and 1,235.16

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Solution

The fourth proportional to 1,942.49, 2,681.02 and 1,235.16 is: 1,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.49 : 2,681.02 = 1,235.16 : x
  2. Step 2: Convert to fraction form
    1,942.49/2,681.02 = 1,235.16/x
  3. Step 3: Cross multiply
    1,942.49x = 2,681.02 × 1,235.16
  4. Step 4: Simplify right side
    1,942.49x = 3,311,488.66
  5. Step 5: Solve for x
    x = 3,311,488.66/1,942.49
  6. Step 6: Final answer
    x = 1,704.76

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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.