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Finding the Fourth Proportional to 1,700.65, 2,550.49 and 604.87

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Solution

The fourth proportional to 1,700.65, 2,550.49 and 604.87 is: 907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.65 : 2,550.49 = 604.87 : x
  2. Step 2: Convert to fraction form
    1,700.65/2,550.49 = 604.87/x
  3. Step 3: Cross multiply
    1,700.65x = 2,550.49 × 604.87
  4. Step 4: Simplify right side
    1,700.65x = 1,542,707.00
  5. Step 5: Solve for x
    x = 1,542,707.00/1,700.65
  6. Step 6: Final answer
    x = 907.13

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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.