Home / 3,095.40-4,643.19-1,338.60

Finding the Fourth Proportional to 3,095.40, 4,643.19 and 1,338.60

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Solution

The fourth proportional to 3,095.40, 4,643.19 and 1,338.60 is: 2,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.40 : 4,643.19 = 1,338.60 : x
  2. Step 2: Convert to fraction form
    3,095.40/4,643.19 = 1,338.60/x
  3. Step 3: Cross multiply
    3,095.40x = 4,643.19 × 1,338.60
  4. Step 4: Simplify right side
    3,095.40x = 6,215,374.13
  5. Step 5: Solve for x
    x = 6,215,374.13/3,095.40
  6. Step 6: Final answer
    x = 2,007.94

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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.