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Finding the Fourth Proportional to 2,035.88, 3,054.08 and 648.76

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Solution

The fourth proportional to 2,035.88, 3,054.08 and 648.76 is: 973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.88 : 3,054.08 = 648.76 : x
  2. Step 2: Convert to fraction form
    2,035.88/3,054.08 = 648.76/x
  3. Step 3: Cross multiply
    2,035.88x = 3,054.08 × 648.76
  4. Step 4: Simplify right side
    2,035.88x = 1,981,364.94
  5. Step 5: Solve for x
    x = 1,981,364.94/2,035.88
  6. Step 6: Final answer
    x = 973.22

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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.