Home / 3,345.07-5,017.79-1,395.31

Finding the Fourth Proportional to 3,345.07, 5,017.79 and 1,395.31

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Solution

The fourth proportional to 3,345.07, 5,017.79 and 1,395.31 is: 2,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.07 : 5,017.79 = 1,395.31 : x
  2. Step 2: Convert to fraction form
    3,345.07/5,017.79 = 1,395.31/x
  3. Step 3: Cross multiply
    3,345.07x = 5,017.79 × 1,395.31
  4. Step 4: Simplify right side
    3,345.07x = 7,001,365.59
  5. Step 5: Solve for x
    x = 7,001,365.59/3,345.07
  6. Step 6: Final answer
    x = 2,093.04

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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.