Home / 3,412.10-5,118.15-3,298.70

Finding the Fourth Proportional to 3,412.10, 5,118.15 and 3,298.70

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Solution

The fourth proportional to 3,412.10, 5,118.15 and 3,298.70 is: 4,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.10 : 5,118.15 = 3,298.70 : x
  2. Step 2: Convert to fraction form
    3,412.10/5,118.15 = 3,298.70/x
  3. Step 3: Cross multiply
    3,412.10x = 5,118.15 × 3,298.70
  4. Step 4: Simplify right side
    3,412.10x = 16,883,241.41
  5. Step 5: Solve for x
    x = 16,883,241.41/3,412.10
  6. Step 6: Final answer
    x = 4,948.05

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Similar ratio
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1.5x scale

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.