Home / 3,622.86-5,434.68-1,157.08

Finding the Fourth Proportional to 3,622.86, 5,434.68 and 1,157.08

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Solution

The fourth proportional to 3,622.86, 5,434.68 and 1,157.08 is: 1,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.86 : 5,434.68 = 1,157.08 : x
  2. Step 2: Convert to fraction form
    3,622.86/5,434.68 = 1,157.08/x
  3. Step 3: Cross multiply
    3,622.86x = 5,434.68 × 1,157.08
  4. Step 4: Simplify right side
    3,622.86x = 6,288,359.53
  5. Step 5: Solve for x
    x = 6,288,359.53/3,622.86
  6. Step 6: Final answer
    x = 1,735.74

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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.