Home / 3,497.40-5,214.39-3,406.20

Finding the Fourth Proportional to 3,497.40, 5,214.39 and 3,406.20

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Solution

The fourth proportional to 3,497.40, 5,214.39 and 3,406.20 is: 5,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.40 : 5,214.39 = 3,406.20 : x
  2. Step 2: Convert to fraction form
    3,497.40/5,214.39 = 3,406.20/x
  3. Step 3: Cross multiply
    3,497.40x = 5,214.39 × 3,406.20
  4. Step 4: Simplify right side
    3,497.40x = 17,761,255.22
  5. Step 5: Solve for x
    x = 17,761,255.22/3,497.40
  6. Step 6: Final answer
    x = 5,078.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.