Home / 1,336.58-2,004.98-459.06

Finding the Fourth Proportional to 1,336.58, 2,004.98 and 459.06

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Solution

The fourth proportional to 1,336.58, 2,004.98 and 459.06 is: 688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.58 : 2,004.98 = 459.06 : x
  2. Step 2: Convert to fraction form
    1,336.58/2,004.98 = 459.06/x
  3. Step 3: Cross multiply
    1,336.58x = 2,004.98 × 459.06
  4. Step 4: Simplify right side
    1,336.58x = 920,406.12
  5. Step 5: Solve for x
    x = 920,406.12/1,336.58
  6. Step 6: Final answer
    x = 688.63

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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.