Home / 3,892.13-5,838.57-1,426.36

Finding the Fourth Proportional to 3,892.13, 5,838.57 and 1,426.36

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Solution

The fourth proportional to 3,892.13, 5,838.57 and 1,426.36 is: 2,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.13 : 5,838.57 = 1,426.36 : x
  2. Step 2: Convert to fraction form
    3,892.13/5,838.57 = 1,426.36/x
  3. Step 3: Cross multiply
    3,892.13x = 5,838.57 × 1,426.36
  4. Step 4: Simplify right side
    3,892.13x = 8,327,873.51
  5. Step 5: Solve for x
    x = 8,327,873.51/3,892.13
  6. Step 6: Final answer
    x = 2,139.67

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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.