Home / 2,663.75-3,677.83-1,782.11

Finding the Fourth Proportional to 2,663.75, 3,677.83 and 1,782.11

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Solution

The fourth proportional to 2,663.75, 3,677.83 and 1,782.11 is: 2,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.75 : 3,677.83 = 1,782.11 : x
  2. Step 2: Convert to fraction form
    2,663.75/3,677.83 = 1,782.11/x
  3. Step 3: Cross multiply
    2,663.75x = 3,677.83 × 1,782.11
  4. Step 4: Simplify right side
    2,663.75x = 6,554,302.36
  5. Step 5: Solve for x
    x = 6,554,302.36/2,663.75
  6. Step 6: Final answer
    x = 2,460.55

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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.