Home / 2,035.36-3,053.27-648.20

Finding the Fourth Proportional to 2,035.36, 3,053.27 and 648.20

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Solution

The fourth proportional to 2,035.36, 3,053.27 and 648.20 is: 972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.36 : 3,053.27 = 648.20 : x
  2. Step 2: Convert to fraction form
    2,035.36/3,053.27 = 648.20/x
  3. Step 3: Cross multiply
    2,035.36x = 3,053.27 × 648.20
  4. Step 4: Simplify right side
    2,035.36x = 1,979,114.35
  5. Step 5: Solve for x
    x = 1,979,114.35/2,035.36
  6. Step 6: Final answer
    x = 972.37

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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.