Home / 4,080.30-5,630.72-2,486.36

Finding the Fourth Proportional to 4,080.30, 5,630.72 and 2,486.36

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Solution

The fourth proportional to 4,080.30, 5,630.72 and 2,486.36 is: 3,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.30 : 5,630.72 = 2,486.36 : x
  2. Step 2: Convert to fraction form
    4,080.30/5,630.72 = 2,486.36/x
  3. Step 3: Cross multiply
    4,080.30x = 5,630.72 × 2,486.36
  4. Step 4: Simplify right side
    4,080.30x = 13,999,996.98
  5. Step 5: Solve for x
    x = 13,999,996.98/4,080.30
  6. Step 6: Final answer
    x = 3,431.12

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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.