Home / 3,892.83-5,838.93-1,427.55

Finding the Fourth Proportional to 3,892.83, 5,838.93 and 1,427.55

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Solution

The fourth proportional to 3,892.83, 5,838.93 and 1,427.55 is: 2,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.83 : 5,838.93 = 1,427.55 : x
  2. Step 2: Convert to fraction form
    3,892.83/5,838.93 = 1,427.55/x
  3. Step 3: Cross multiply
    3,892.83x = 5,838.93 × 1,427.55
  4. Step 4: Simplify right side
    3,892.83x = 8,335,364.52
  5. Step 5: Solve for x
    x = 8,335,364.52/3,892.83
  6. Step 6: Final answer
    x = 2,141.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.