Home / 3,151.41-4,347.88-1,824.63

Finding the Fourth Proportional to 3,151.41, 4,347.88 and 1,824.63

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Solution

The fourth proportional to 3,151.41, 4,347.88 and 1,824.63 is: 2,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.41 : 4,347.88 = 1,824.63 : x
  2. Step 2: Convert to fraction form
    3,151.41/4,347.88 = 1,824.63/x
  3. Step 3: Cross multiply
    3,151.41x = 4,347.88 × 1,824.63
  4. Step 4: Simplify right side
    3,151.41x = 7,933,251.42
  5. Step 5: Solve for x
    x = 7,933,251.42/3,151.41
  6. Step 6: Final answer
    x = 2,517.37

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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.