Home / 1,767.61-2,633.65-1,668.25

Finding the Fourth Proportional to 1,767.61, 2,633.65 and 1,668.25

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Solution

The fourth proportional to 1,767.61, 2,633.65 and 1,668.25 is: 2,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.61 : 2,633.65 = 1,668.25 : x
  2. Step 2: Convert to fraction form
    1,767.61/2,633.65 = 1,668.25/x
  3. Step 3: Cross multiply
    1,767.61x = 2,633.65 × 1,668.25
  4. Step 4: Simplify right side
    1,767.61x = 4,393,590.78
  5. Step 5: Solve for x
    x = 4,393,590.78/1,767.61
  6. Step 6: Final answer
    x = 2,485.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.