Home / 1,336.28-2,003.00-514.19

Finding the Fourth Proportional to 1,336.28, 2,003.00 and 514.19

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Solution

The fourth proportional to 1,336.28, 2,003.00 and 514.19 is: 770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.28 : 2,003.00 = 514.19 : x
  2. Step 2: Convert to fraction form
    1,336.28/2,003.00 = 514.19/x
  3. Step 3: Cross multiply
    1,336.28x = 2,003.00 × 514.19
  4. Step 4: Simplify right side
    1,336.28x = 1,029,925.01
  5. Step 5: Solve for x
    x = 1,029,925.01/1,336.28
  6. Step 6: Final answer
    x = 770.74

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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.