Home / 3,345.29-5,017.82-1,370.36

Finding the Fourth Proportional to 3,345.29, 5,017.82 and 1,370.36

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Solution

The fourth proportional to 3,345.29, 5,017.82 and 1,370.36 is: 2,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.29 : 5,017.82 = 1,370.36 : x
  2. Step 2: Convert to fraction form
    3,345.29/5,017.82 = 1,370.36/x
  3. Step 3: Cross multiply
    3,345.29x = 5,017.82 × 1,370.36
  4. Step 4: Simplify right side
    3,345.29x = 6,876,187.87
  5. Step 5: Solve for x
    x = 6,876,187.87/3,345.29
  6. Step 6: Final answer
    x = 2,055.49

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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.