Home / 3,118.03-4,677.05-1,818.59

Finding the Fourth Proportional to 3,118.03, 4,677.05 and 1,818.59

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Solution

The fourth proportional to 3,118.03, 4,677.05 and 1,818.59 is: 2,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.03 : 4,677.05 = 1,818.59 : x
  2. Step 2: Convert to fraction form
    3,118.03/4,677.05 = 1,818.59/x
  3. Step 3: Cross multiply
    3,118.03x = 4,677.05 × 1,818.59
  4. Step 4: Simplify right side
    3,118.03x = 8,505,636.36
  5. Step 5: Solve for x
    x = 8,505,636.36/3,118.03
  6. Step 6: Final answer
    x = 2,727.89

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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.