Home / 1,784.21-2,676.50-614.06

Finding the Fourth Proportional to 1,784.21, 2,676.50 and 614.06

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Solution

The fourth proportional to 1,784.21, 2,676.50 and 614.06 is: 921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.21 : 2,676.50 = 614.06 : x
  2. Step 2: Convert to fraction form
    1,784.21/2,676.50 = 614.06/x
  3. Step 3: Cross multiply
    1,784.21x = 2,676.50 × 614.06
  4. Step 4: Simplify right side
    1,784.21x = 1,643,530.38
  5. Step 5: Solve for x
    x = 1,643,530.38/1,784.21
  6. Step 6: Final answer
    x = 921.15

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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.