Home / 3,371.08-5,055.84-1,290.34

Finding the Fourth Proportional to 3,371.08, 5,055.84 and 1,290.34

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Solution

The fourth proportional to 3,371.08, 5,055.84 and 1,290.34 is: 1,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.08 : 5,055.84 = 1,290.34 : x
  2. Step 2: Convert to fraction form
    3,371.08/5,055.84 = 1,290.34/x
  3. Step 3: Cross multiply
    3,371.08x = 5,055.84 × 1,290.34
  4. Step 4: Simplify right side
    3,371.08x = 6,523,752.59
  5. Step 5: Solve for x
    x = 6,523,752.59/3,371.08
  6. Step 6: Final answer
    x = 1,935.21

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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.