Home / 4,090.32-6,129.98-2,238.66

Finding the Fourth Proportional to 4,090.32, 6,129.98 and 2,238.66

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Solution

The fourth proportional to 4,090.32, 6,129.98 and 2,238.66 is: 3,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.32 : 6,129.98 = 2,238.66 : x
  2. Step 2: Convert to fraction form
    4,090.32/6,129.98 = 2,238.66/x
  3. Step 3: Cross multiply
    4,090.32x = 6,129.98 × 2,238.66
  4. Step 4: Simplify right side
    4,090.32x = 13,722,941.03
  5. Step 5: Solve for x
    x = 13,722,941.03/4,090.32
  6. Step 6: Final answer
    x = 3,354.98

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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.