Home / 3,110.13-4,292.71-1,783.81

Finding the Fourth Proportional to 3,110.13, 4,292.71 and 1,783.81

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Solution

The fourth proportional to 3,110.13, 4,292.71 and 1,783.81 is: 2,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.13 : 4,292.71 = 1,783.81 : x
  2. Step 2: Convert to fraction form
    3,110.13/4,292.71 = 1,783.81/x
  3. Step 3: Cross multiply
    3,110.13x = 4,292.71 × 1,783.81
  4. Step 4: Simplify right side
    3,110.13x = 7,657,379.03
  5. Step 5: Solve for x
    x = 7,657,379.03/3,110.13
  6. Step 6: Final answer
    x = 2,462.08

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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.