Home / 1,204.61-1,663.27-1,185.44

Finding the Fourth Proportional to 1,204.61, 1,663.27 and 1,185.44

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Solution

The fourth proportional to 1,204.61, 1,663.27 and 1,185.44 is: 1,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.61 : 1,663.27 = 1,185.44 : x
  2. Step 2: Convert to fraction form
    1,204.61/1,663.27 = 1,185.44/x
  3. Step 3: Cross multiply
    1,204.61x = 1,663.27 × 1,185.44
  4. Step 4: Simplify right side
    1,204.61x = 1,971,695.51
  5. Step 5: Solve for x
    x = 1,971,695.51/1,204.61
  6. Step 6: Final answer
    x = 1,636.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.