Home / 3,756.29-5,633.22-1,290.51

Finding the Fourth Proportional to 3,756.29, 5,633.22 and 1,290.51

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Solution

The fourth proportional to 3,756.29, 5,633.22 and 1,290.51 is: 1,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.29 : 5,633.22 = 1,290.51 : x
  2. Step 2: Convert to fraction form
    3,756.29/5,633.22 = 1,290.51/x
  3. Step 3: Cross multiply
    3,756.29x = 5,633.22 × 1,290.51
  4. Step 4: Simplify right side
    3,756.29x = 7,269,726.74
  5. Step 5: Solve for x
    x = 7,269,726.74/3,756.29
  6. Step 6: Final answer
    x = 1,935.35

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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.