Home / 3,756.46-5,635.00-1,291.28

Finding the Fourth Proportional to 3,756.46, 5,635.00 and 1,291.28

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Solution

The fourth proportional to 3,756.46, 5,635.00 and 1,291.28 is: 1,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.46 : 5,635.00 = 1,291.28 : x
  2. Step 2: Convert to fraction form
    3,756.46/5,635.00 = 1,291.28/x
  3. Step 3: Cross multiply
    3,756.46x = 5,635.00 × 1,291.28
  4. Step 4: Simplify right side
    3,756.46x = 7,276,371.24
  5. Step 5: Solve for x
    x = 7,276,371.24/3,756.46
  6. Step 6: Final answer
    x = 1,937.03

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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.