Home / 2,761.90-3,810.54-1,713.35

Finding the Fourth Proportional to 2,761.90, 3,810.54 and 1,713.35

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Solution

The fourth proportional to 2,761.90, 3,810.54 and 1,713.35 is: 2,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.90 : 3,810.54 = 1,713.35 : x
  2. Step 2: Convert to fraction form
    2,761.90/3,810.54 = 1,713.35/x
  3. Step 3: Cross multiply
    2,761.90x = 3,810.54 × 1,713.35
  4. Step 4: Simplify right side
    2,761.90x = 6,528,804.66
  5. Step 5: Solve for x
    x = 6,528,804.66/2,761.90
  6. Step 6: Final answer
    x = 2,363.88

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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.