Home / 3,557.28-5,338.26-1,609.68

Finding the Fourth Proportional to 3,557.28, 5,338.26 and 1,609.68

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Solution

The fourth proportional to 3,557.28, 5,338.26 and 1,609.68 is: 2,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.28 : 5,338.26 = 1,609.68 : x
  2. Step 2: Convert to fraction form
    3,557.28/5,338.26 = 1,609.68/x
  3. Step 3: Cross multiply
    3,557.28x = 5,338.26 × 1,609.68
  4. Step 4: Simplify right side
    3,557.28x = 8,592,890.36
  5. Step 5: Solve for x
    x = 8,592,890.36/3,557.28
  6. Step 6: Final answer
    x = 2,415.58

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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.