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Finding the Fourth Proportional to 1,767.65, 2,651.55 and 597.71

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Solution

The fourth proportional to 1,767.65, 2,651.55 and 597.71 is: 896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.65 : 2,651.55 = 597.71 : x
  2. Step 2: Convert to fraction form
    1,767.65/2,651.55 = 597.71/x
  3. Step 3: Cross multiply
    1,767.65x = 2,651.55 × 597.71
  4. Step 4: Simplify right side
    1,767.65x = 1,584,857.95
  5. Step 5: Solve for x
    x = 1,584,857.95/1,767.65
  6. Step 6: Final answer
    x = 896.59

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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.