Home / 3,720.42-5,579.55-1,499.25

Finding the Fourth Proportional to 3,720.42, 5,579.55 and 1,499.25

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Solution

The fourth proportional to 3,720.42, 5,579.55 and 1,499.25 is: 2,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.42 : 5,579.55 = 1,499.25 : x
  2. Step 2: Convert to fraction form
    3,720.42/5,579.55 = 1,499.25/x
  3. Step 3: Cross multiply
    3,720.42x = 5,579.55 × 1,499.25
  4. Step 4: Simplify right side
    3,720.42x = 8,365,140.34
  5. Step 5: Solve for x
    x = 8,365,140.34/3,720.42
  6. Step 6: Final answer
    x = 2,248.44

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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.