Home / 1,260.50-1,890.89-336.08

Finding the Fourth Proportional to 1,260.50, 1,890.89 and 336.08

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Solution

The fourth proportional to 1,260.50, 1,890.89 and 336.08 is: 504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.50 : 1,890.89 = 336.08 : x
  2. Step 2: Convert to fraction form
    1,260.50/1,890.89 = 336.08/x
  3. Step 3: Cross multiply
    1,260.50x = 1,890.89 × 336.08
  4. Step 4: Simplify right side
    1,260.50x = 635,496.51
  5. Step 5: Solve for x
    x = 635,496.51/1,260.50
  6. Step 6: Final answer
    x = 504.16

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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.