Home / 3,465.93-5,198.92-1,386.11

Finding the Fourth Proportional to 3,465.93, 5,198.92 and 1,386.11

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Solution

The fourth proportional to 3,465.93, 5,198.92 and 1,386.11 is: 2,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.93 : 5,198.92 = 1,386.11 : x
  2. Step 2: Convert to fraction form
    3,465.93/5,198.92 = 1,386.11/x
  3. Step 3: Cross multiply
    3,465.93x = 5,198.92 × 1,386.11
  4. Step 4: Simplify right side
    3,465.93x = 7,206,275.00
  5. Step 5: Solve for x
    x = 7,206,275.00/3,465.93
  6. Step 6: Final answer
    x = 2,079.17

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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.