Home / 3,071.88-4,238.55-1,952.41

Finding the Fourth Proportional to 3,071.88, 4,238.55 and 1,952.41

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Solution

The fourth proportional to 3,071.88, 4,238.55 and 1,952.41 is: 2,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.88 : 4,238.55 = 1,952.41 : x
  2. Step 2: Convert to fraction form
    3,071.88/4,238.55 = 1,952.41/x
  3. Step 3: Cross multiply
    3,071.88x = 4,238.55 × 1,952.41
  4. Step 4: Simplify right side
    3,071.88x = 8,275,387.41
  5. Step 5: Solve for x
    x = 8,275,387.41/3,071.88
  6. Step 6: Final answer
    x = 2,693.92

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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.