Home / 3,175.00-4,379.10-2,055.07

Finding the Fourth Proportional to 3,175.00, 4,379.10 and 2,055.07

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Solution

The fourth proportional to 3,175.00, 4,379.10 and 2,055.07 is: 2,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.00 : 4,379.10 = 2,055.07 : x
  2. Step 2: Convert to fraction form
    3,175.00/4,379.10 = 2,055.07/x
  3. Step 3: Cross multiply
    3,175.00x = 4,379.10 × 2,055.07
  4. Step 4: Simplify right side
    3,175.00x = 8,999,354.80
  5. Step 5: Solve for x
    x = 8,999,354.80/3,175.00
  6. Step 6: Final answer
    x = 2,834.44

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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.