Home / 3,108.48-4,309.62-2,950.32

Finding the Fourth Proportional to 3,108.48, 4,309.62 and 2,950.32

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Solution

The fourth proportional to 3,108.48, 4,309.62 and 2,950.32 is: 4,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.48 : 4,309.62 = 2,950.32 : x
  2. Step 2: Convert to fraction form
    3,108.48/4,309.62 = 2,950.32/x
  3. Step 3: Cross multiply
    3,108.48x = 4,309.62 × 2,950.32
  4. Step 4: Simplify right side
    3,108.48x = 12,714,758.08
  5. Step 5: Solve for x
    x = 12,714,758.08/3,108.48
  6. Step 6: Final answer
    x = 4,090.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.