Home / 1,784.31-2,676.90-614.33

Finding the Fourth Proportional to 1,784.31, 2,676.90 and 614.33

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Solution

The fourth proportional to 1,784.31, 2,676.90 and 614.33 is: 921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.31 : 2,676.90 = 614.33 : x
  2. Step 2: Convert to fraction form
    1,784.31/2,676.90 = 614.33/x
  3. Step 3: Cross multiply
    1,784.31x = 2,676.90 × 614.33
  4. Step 4: Simplify right side
    1,784.31x = 1,644,499.98
  5. Step 5: Solve for x
    x = 1,644,499.98/1,784.31
  6. Step 6: Final answer
    x = 921.64

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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.