Home / 3,645.46-5,468.25-1,048.40

Finding the Fourth Proportional to 3,645.46, 5,468.25 and 1,048.40

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Solution

The fourth proportional to 3,645.46, 5,468.25 and 1,048.40 is: 1,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.46 : 5,468.25 = 1,048.40 : x
  2. Step 2: Convert to fraction form
    3,645.46/5,468.25 = 1,048.40/x
  3. Step 3: Cross multiply
    3,645.46x = 5,468.25 × 1,048.40
  4. Step 4: Simplify right side
    3,645.46x = 5,732,913.30
  5. Step 5: Solve for x
    x = 5,732,913.30/3,645.46
  6. Step 6: Final answer
    x = 1,572.62

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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.