Home / 3,609.28-5,415.90-1,530.46

Finding the Fourth Proportional to 3,609.28, 5,415.90 and 1,530.46

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Solution

The fourth proportional to 3,609.28, 5,415.90 and 1,530.46 is: 2,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.28 : 5,415.90 = 1,530.46 : x
  2. Step 2: Convert to fraction form
    3,609.28/5,415.90 = 1,530.46/x
  3. Step 3: Cross multiply
    3,609.28x = 5,415.90 × 1,530.46
  4. Step 4: Simplify right side
    3,609.28x = 8,288,818.31
  5. Step 5: Solve for x
    x = 8,288,818.31/3,609.28
  6. Step 6: Final answer
    x = 2,296.53

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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.