Home / 3,628.35-5,442.53-1,679.49

Finding the Fourth Proportional to 3,628.35, 5,442.53 and 1,679.49

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Solution

The fourth proportional to 3,628.35, 5,442.53 and 1,679.49 is: 2,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.35 : 5,442.53 = 1,679.49 : x
  2. Step 2: Convert to fraction form
    3,628.35/5,442.53 = 1,679.49/x
  3. Step 3: Cross multiply
    3,628.35x = 5,442.53 × 1,679.49
  4. Step 4: Simplify right side
    3,628.35x = 9,140,666.31
  5. Step 5: Solve for x
    x = 9,140,666.31/3,628.35
  6. Step 6: Final answer
    x = 2,519.24

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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.