Home / 3,530.76-5,289.68-1,653.20

Finding the Fourth Proportional to 3,530.76, 5,289.68 and 1,653.20

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Solution

The fourth proportional to 3,530.76, 5,289.68 and 1,653.20 is: 2,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.76 : 5,289.68 = 1,653.20 : x
  2. Step 2: Convert to fraction form
    3,530.76/5,289.68 = 1,653.20/x
  3. Step 3: Cross multiply
    3,530.76x = 5,289.68 × 1,653.20
  4. Step 4: Simplify right side
    3,530.76x = 8,744,913.23
  5. Step 5: Solve for x
    x = 8,744,913.23/3,530.76
  6. Step 6: Final answer
    x = 2,476.78

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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.