Home / 3,150.39-4,347.62-1,824.51

Finding the Fourth Proportional to 3,150.39, 4,347.62 and 1,824.51

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Solution

The fourth proportional to 3,150.39, 4,347.62 and 1,824.51 is: 2,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.39 : 4,347.62 = 1,824.51 : x
  2. Step 2: Convert to fraction form
    3,150.39/4,347.62 = 1,824.51/x
  3. Step 3: Cross multiply
    3,150.39x = 4,347.62 × 1,824.51
  4. Step 4: Simplify right side
    3,150.39x = 7,932,276.17
  5. Step 5: Solve for x
    x = 7,932,276.17/3,150.39
  6. Step 6: Final answer
    x = 2,517.87

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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.