Home / 3,756.94-5,635.80-1,291.18

Finding the Fourth Proportional to 3,756.94, 5,635.80 and 1,291.18

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Solution

The fourth proportional to 3,756.94, 5,635.80 and 1,291.18 is: 1,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.94 : 5,635.80 = 1,291.18 : x
  2. Step 2: Convert to fraction form
    3,756.94/5,635.80 = 1,291.18/x
  3. Step 3: Cross multiply
    3,756.94x = 5,635.80 × 1,291.18
  4. Step 4: Simplify right side
    3,756.94x = 7,276,851.92
  5. Step 5: Solve for x
    x = 7,276,851.92/3,756.94
  6. Step 6: Final answer
    x = 1,936.91

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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.