Home / 4,090.58-5,647.61-2,519.58

Finding the Fourth Proportional to 4,090.58, 5,647.61 and 2,519.58

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Solution

The fourth proportional to 4,090.58, 5,647.61 and 2,519.58 is: 3,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.58 : 5,647.61 = 2,519.58 : x
  2. Step 2: Convert to fraction form
    4,090.58/5,647.61 = 2,519.58/x
  3. Step 3: Cross multiply
    4,090.58x = 5,647.61 × 2,519.58
  4. Step 4: Simplify right side
    4,090.58x = 14,229,605.20
  5. Step 5: Solve for x
    x = 14,229,605.20/4,090.58
  6. Step 6: Final answer
    x = 3,478.63

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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.