Home / 3,758.32-5,638.38-1,161.26

Finding the Fourth Proportional to 3,758.32, 5,638.38 and 1,161.26

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Solution

The fourth proportional to 3,758.32, 5,638.38 and 1,161.26 is: 1,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.32 : 5,638.38 = 1,161.26 : x
  2. Step 2: Convert to fraction form
    3,758.32/5,638.38 = 1,161.26/x
  3. Step 3: Cross multiply
    3,758.32x = 5,638.38 × 1,161.26
  4. Step 4: Simplify right side
    3,758.32x = 6,547,625.16
  5. Step 5: Solve for x
    x = 6,547,625.16/3,758.32
  6. Step 6: Final answer
    x = 1,742.17

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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.