Home / 1,784.72-2,677.44-630.56

Finding the Fourth Proportional to 1,784.72, 2,677.44 and 630.56

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Solution

The fourth proportional to 1,784.72, 2,677.44 and 630.56 is: 945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.72 : 2,677.44 = 630.56 : x
  2. Step 2: Convert to fraction form
    1,784.72/2,677.44 = 630.56/x
  3. Step 3: Cross multiply
    1,784.72x = 2,677.44 × 630.56
  4. Step 4: Simplify right side
    1,784.72x = 1,688,286.57
  5. Step 5: Solve for x
    x = 1,688,286.57/1,784.72
  6. Step 6: Final answer
    x = 945.97

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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.