Home / 3,910.65-5,866.28-1,137.36

Finding the Fourth Proportional to 3,910.65, 5,866.28 and 1,137.36

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Solution

The fourth proportional to 3,910.65, 5,866.28 and 1,137.36 is: 1,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.65 : 5,866.28 = 1,137.36 : x
  2. Step 2: Convert to fraction form
    3,910.65/5,866.28 = 1,137.36/x
  3. Step 3: Cross multiply
    3,910.65x = 5,866.28 × 1,137.36
  4. Step 4: Simplify right side
    3,910.65x = 6,672,075.06
  5. Step 5: Solve for x
    x = 6,672,075.06/3,910.65
  6. Step 6: Final answer
    x = 1,706.13

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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.