Home / 1,336.04-2,004.05-459.15

Finding the Fourth Proportional to 1,336.04, 2,004.05 and 459.15

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Solution

The fourth proportional to 1,336.04, 2,004.05 and 459.15 is: 688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.04 : 2,004.05 = 459.15 : x
  2. Step 2: Convert to fraction form
    1,336.04/2,004.05 = 459.15/x
  3. Step 3: Cross multiply
    1,336.04x = 2,004.05 × 459.15
  4. Step 4: Simplify right side
    1,336.04x = 920,157.26
  5. Step 5: Solve for x
    x = 920,157.26/1,336.04
  6. Step 6: Final answer
    x = 688.72

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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.