Home / 3,379.08-4,659.60-3,111.24

Finding the Fourth Proportional to 3,379.08, 4,659.60 and 3,111.24

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Solution

The fourth proportional to 3,379.08, 4,659.60 and 3,111.24 is: 4,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.08 : 4,659.60 = 3,111.24 : x
  2. Step 2: Convert to fraction form
    3,379.08/4,659.60 = 3,111.24/x
  3. Step 3: Cross multiply
    3,379.08x = 4,659.60 × 3,111.24
  4. Step 4: Simplify right side
    3,379.08x = 14,497,133.90
  5. Step 5: Solve for x
    x = 14,497,133.90/3,379.08
  6. Step 6: Final answer
    x = 4,290.26

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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.