Home / 3,720.45-5,582.50-1,499.19

Finding the Fourth Proportional to 3,720.45, 5,582.50 and 1,499.19

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Solution

The fourth proportional to 3,720.45, 5,582.50 and 1,499.19 is: 2,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.45 : 5,582.50 = 1,499.19 : x
  2. Step 2: Convert to fraction form
    3,720.45/5,582.50 = 1,499.19/x
  3. Step 3: Cross multiply
    3,720.45x = 5,582.50 × 1,499.19
  4. Step 4: Simplify right side
    3,720.45x = 8,369,219.78
  5. Step 5: Solve for x
    x = 8,369,219.78/3,720.45
  6. Step 6: Final answer
    x = 2,249.52

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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.