Home / 3,390.08-4,676.89-2,211.11

Finding the Fourth Proportional to 3,390.08, 4,676.89 and 2,211.11

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Solution

The fourth proportional to 3,390.08, 4,676.89 and 2,211.11 is: 3,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.08 : 4,676.89 = 2,211.11 : x
  2. Step 2: Convert to fraction form
    3,390.08/4,676.89 = 2,211.11/x
  3. Step 3: Cross multiply
    3,390.08x = 4,676.89 × 2,211.11
  4. Step 4: Simplify right side
    3,390.08x = 10,341,118.25
  5. Step 5: Solve for x
    x = 10,341,118.25/3,390.08
  6. Step 6: Final answer
    x = 3,050.41

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.