Home / 3,591.36-5,385.12-1,538.24

Finding the Fourth Proportional to 3,591.36, 5,385.12 and 1,538.24

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Solution

The fourth proportional to 3,591.36, 5,385.12 and 1,538.24 is: 2,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.36 : 5,385.12 = 1,538.24 : x
  2. Step 2: Convert to fraction form
    3,591.36/5,385.12 = 1,538.24/x
  3. Step 3: Cross multiply
    3,591.36x = 5,385.12 × 1,538.24
  4. Step 4: Simplify right side
    3,591.36x = 8,283,606.99
  5. Step 5: Solve for x
    x = 8,283,606.99/3,591.36
  6. Step 6: Final answer
    x = 2,306.54

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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.