Home / 3,127.41-4,313.86-1,932.08

Finding the Fourth Proportional to 3,127.41, 4,313.86 and 1,932.08

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Solution

The fourth proportional to 3,127.41, 4,313.86 and 1,932.08 is: 2,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.41 : 4,313.86 = 1,932.08 : x
  2. Step 2: Convert to fraction form
    3,127.41/4,313.86 = 1,932.08/x
  3. Step 3: Cross multiply
    3,127.41x = 4,313.86 × 1,932.08
  4. Step 4: Simplify right side
    3,127.41x = 8,334,708.36
  5. Step 5: Solve for x
    x = 8,334,708.36/3,127.41
  6. Step 6: Final answer
    x = 2,665.05

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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.