Home / 2,400.88-3,598.02-2,161.12

Finding the Fourth Proportional to 2,400.88, 3,598.02 and 2,161.12

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Solution

The fourth proportional to 2,400.88, 3,598.02 and 2,161.12 is: 3,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.88 : 3,598.02 = 2,161.12 : x
  2. Step 2: Convert to fraction form
    2,400.88/3,598.02 = 2,161.12/x
  3. Step 3: Cross multiply
    2,400.88x = 3,598.02 × 2,161.12
  4. Step 4: Simplify right side
    2,400.88x = 7,775,752.98
  5. Step 5: Solve for x
    x = 7,775,752.98/2,400.88
  6. Step 6: Final answer
    x = 3,238.71

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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.