Home / 3,340.69-5,008.34-1,394.35

Finding the Fourth Proportional to 3,340.69, 5,008.34 and 1,394.35

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Solution

The fourth proportional to 3,340.69, 5,008.34 and 1,394.35 is: 2,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.69 : 5,008.34 = 1,394.35 : x
  2. Step 2: Convert to fraction form
    3,340.69/5,008.34 = 1,394.35/x
  3. Step 3: Cross multiply
    3,340.69x = 5,008.34 × 1,394.35
  4. Step 4: Simplify right side
    3,340.69x = 6,983,371.91
  5. Step 5: Solve for x
    x = 6,983,371.91/3,340.69
  6. Step 6: Final answer
    x = 2,090.40

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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.