Home / 3,411.09-5,116.64-1,437.03

Finding the Fourth Proportional to 3,411.09, 5,116.64 and 1,437.03

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Solution

The fourth proportional to 3,411.09, 5,116.64 and 1,437.03 is: 2,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.09 : 5,116.64 = 1,437.03 : x
  2. Step 2: Convert to fraction form
    3,411.09/5,116.64 = 1,437.03/x
  3. Step 3: Cross multiply
    3,411.09x = 5,116.64 × 1,437.03
  4. Step 4: Simplify right side
    3,411.09x = 7,352,757.99
  5. Step 5: Solve for x
    x = 7,352,757.99/3,411.09
  6. Step 6: Final answer
    x = 2,155.55

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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.