Home / 3,141.45-4,335.03-1,881.77

Finding the Fourth Proportional to 3,141.45, 4,335.03 and 1,881.77

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Solution

The fourth proportional to 3,141.45, 4,335.03 and 1,881.77 is: 2,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.45 : 4,335.03 = 1,881.77 : x
  2. Step 2: Convert to fraction form
    3,141.45/4,335.03 = 1,881.77/x
  3. Step 3: Cross multiply
    3,141.45x = 4,335.03 × 1,881.77
  4. Step 4: Simplify right side
    3,141.45x = 8,157,507.73
  5. Step 5: Solve for x
    x = 8,157,507.73/3,141.45
  6. Step 6: Final answer
    x = 2,596.73

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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.