Home / 3,984.12-5,494.26-2,637.59

Finding the Fourth Proportional to 3,984.12, 5,494.26 and 2,637.59

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Solution

The fourth proportional to 3,984.12, 5,494.26 and 2,637.59 is: 3,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.12 : 5,494.26 = 2,637.59 : x
  2. Step 2: Convert to fraction form
    3,984.12/5,494.26 = 2,637.59/x
  3. Step 3: Cross multiply
    3,984.12x = 5,494.26 × 2,637.59
  4. Step 4: Simplify right side
    3,984.12x = 14,491,605.23
  5. Step 5: Solve for x
    x = 14,491,605.23/3,984.12
  6. Step 6: Final answer
    x = 3,637.35

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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.