Home / 3,622.96-5,434.26-1,313.92

Finding the Fourth Proportional to 3,622.96, 5,434.26 and 1,313.92

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Solution

The fourth proportional to 3,622.96, 5,434.26 and 1,313.92 is: 1,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.96 : 5,434.26 = 1,313.92 : x
  2. Step 2: Convert to fraction form
    3,622.96/5,434.26 = 1,313.92/x
  3. Step 3: Cross multiply
    3,622.96x = 5,434.26 × 1,313.92
  4. Step 4: Simplify right side
    3,622.96x = 7,140,182.90
  5. Step 5: Solve for x
    x = 7,140,182.90/3,622.96
  6. Step 6: Final answer
    x = 1,970.81

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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.