Home / 2,036.27-3,052.45-648.70

Finding the Fourth Proportional to 2,036.27, 3,052.45 and 648.70

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Solution

The fourth proportional to 2,036.27, 3,052.45 and 648.70 is: 972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.27 : 3,052.45 = 648.70 : x
  2. Step 2: Convert to fraction form
    2,036.27/3,052.45 = 648.70/x
  3. Step 3: Cross multiply
    2,036.27x = 3,052.45 × 648.70
  4. Step 4: Simplify right side
    2,036.27x = 1,980,129.51
  5. Step 5: Solve for x
    x = 1,980,129.51/2,036.27
  6. Step 6: Final answer
    x = 972.43

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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.