Home / 2,536.81-3,807.92-2,130.39

Finding the Fourth Proportional to 2,536.81, 3,807.92 and 2,130.39

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Solution

The fourth proportional to 2,536.81, 3,807.92 and 2,130.39 is: 3,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536.81 : 3,807.92 = 2,130.39 : x
  2. Step 2: Convert to fraction form
    2,536.81/3,807.92 = 2,130.39/x
  3. Step 3: Cross multiply
    2,536.81x = 3,807.92 × 2,130.39
  4. Step 4: Simplify right side
    2,536.81x = 8,112,360.01
  5. Step 5: Solve for x
    x = 8,112,360.01/2,536.81
  6. Step 6: Final answer
    x = 3,197.86

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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.