Home / 3,110.06-4,291.89-1,712.81

Finding the Fourth Proportional to 3,110.06, 4,291.89 and 1,712.81

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Solution

The fourth proportional to 3,110.06, 4,291.89 and 1,712.81 is: 2,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.06 : 4,291.89 = 1,712.81 : x
  2. Step 2: Convert to fraction form
    3,110.06/4,291.89 = 1,712.81/x
  3. Step 3: Cross multiply
    3,110.06x = 4,291.89 × 1,712.81
  4. Step 4: Simplify right side
    3,110.06x = 7,351,196.42
  5. Step 5: Solve for x
    x = 7,351,196.42/3,110.06
  6. Step 6: Final answer
    x = 2,363.68

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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.