Home / 3,186.51-4,781.93-1,456.35

Finding the Fourth Proportional to 3,186.51, 4,781.93 and 1,456.35

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Solution

The fourth proportional to 3,186.51, 4,781.93 and 1,456.35 is: 2,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.51 : 4,781.93 = 1,456.35 : x
  2. Step 2: Convert to fraction form
    3,186.51/4,781.93 = 1,456.35/x
  3. Step 3: Cross multiply
    3,186.51x = 4,781.93 × 1,456.35
  4. Step 4: Simplify right side
    3,186.51x = 6,964,156.47
  5. Step 5: Solve for x
    x = 6,964,156.47/3,186.51
  6. Step 6: Final answer
    x = 2,185.51

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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.