Home / 3,546.12-5,317.77-1,205.65

Finding the Fourth Proportional to 3,546.12, 5,317.77 and 1,205.65

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Solution

The fourth proportional to 3,546.12, 5,317.77 and 1,205.65 is: 1,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.12 : 5,317.77 = 1,205.65 : x
  2. Step 2: Convert to fraction form
    3,546.12/5,317.77 = 1,205.65/x
  3. Step 3: Cross multiply
    3,546.12x = 5,317.77 × 1,205.65
  4. Step 4: Simplify right side
    3,546.12x = 6,411,359.12
  5. Step 5: Solve for x
    x = 6,411,359.12/3,546.12
  6. Step 6: Final answer
    x = 1,807.99

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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.