Home / 1,838.22-2,536.98-1,395.36

Finding the Fourth Proportional to 1,838.22, 2,536.98 and 1,395.36

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Solution

The fourth proportional to 1,838.22, 2,536.98 and 1,395.36 is: 1,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.22 : 2,536.98 = 1,395.36 : x
  2. Step 2: Convert to fraction form
    1,838.22/2,536.98 = 1,395.36/x
  3. Step 3: Cross multiply
    1,838.22x = 2,536.98 × 1,395.36
  4. Step 4: Simplify right side
    1,838.22x = 3,540,000.41
  5. Step 5: Solve for x
    x = 3,540,000.41/1,838.22
  6. Step 6: Final answer
    x = 1,925.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.