Home / 3,699.30-5,547.60-1,234.20

Finding the Fourth Proportional to 3,699.30, 5,547.60 and 1,234.20

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Solution

The fourth proportional to 3,699.30, 5,547.60 and 1,234.20 is: 1,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.30 : 5,547.60 = 1,234.20 : x
  2. Step 2: Convert to fraction form
    3,699.30/5,547.60 = 1,234.20/x
  3. Step 3: Cross multiply
    3,699.30x = 5,547.60 × 1,234.20
  4. Step 4: Simplify right side
    3,699.30x = 6,846,847.92
  5. Step 5: Solve for x
    x = 6,846,847.92/3,699.30
  6. Step 6: Final answer
    x = 1,850.85

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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.