Home / 1,681.23-2,321.14-1,083.93

Finding the Fourth Proportional to 1,681.23, 2,321.14 and 1,083.93

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Solution

The fourth proportional to 1,681.23, 2,321.14 and 1,083.93 is: 1,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681.23 : 2,321.14 = 1,083.93 : x
  2. Step 2: Convert to fraction form
    1,681.23/2,321.14 = 1,083.93/x
  3. Step 3: Cross multiply
    1,681.23x = 2,321.14 × 1,083.93
  4. Step 4: Simplify right side
    1,681.23x = 2,515,953.28
  5. Step 5: Solve for x
    x = 2,515,953.28/1,681.23
  6. Step 6: Final answer
    x = 1,496.50

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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.