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Finding the Fourth Proportional to 1,809.07, 2,713.61 and 510.37

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Solution

The fourth proportional to 1,809.07, 2,713.61 and 510.37 is: 765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.07 : 2,713.61 = 510.37 : x
  2. Step 2: Convert to fraction form
    1,809.07/2,713.61 = 510.37/x
  3. Step 3: Cross multiply
    1,809.07x = 2,713.61 × 510.37
  4. Step 4: Simplify right side
    1,809.07x = 1,384,945.14
  5. Step 5: Solve for x
    x = 1,384,945.14/1,809.07
  6. Step 6: Final answer
    x = 765.56

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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.