Home / 2,400.45-3,311.59-1,455.88

Finding the Fourth Proportional to 2,400.45, 3,311.59 and 1,455.88

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Solution

The fourth proportional to 2,400.45, 3,311.59 and 1,455.88 is: 2,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.45 : 3,311.59 = 1,455.88 : x
  2. Step 2: Convert to fraction form
    2,400.45/3,311.59 = 1,455.88/x
  3. Step 3: Cross multiply
    2,400.45x = 3,311.59 × 1,455.88
  4. Step 4: Simplify right side
    2,400.45x = 4,821,288.08
  5. Step 5: Solve for x
    x = 4,821,288.08/2,400.45
  6. Step 6: Final answer
    x = 2,008.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.