Home / 2,695.12-3,713.79-2,065.66

Finding the Fourth Proportional to 2,695.12, 3,713.79 and 2,065.66

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Solution

The fourth proportional to 2,695.12, 3,713.79 and 2,065.66 is: 2,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.12 : 3,713.79 = 2,065.66 : x
  2. Step 2: Convert to fraction form
    2,695.12/3,713.79 = 2,065.66/x
  3. Step 3: Cross multiply
    2,695.12x = 3,713.79 × 2,065.66
  4. Step 4: Simplify right side
    2,695.12x = 7,671,427.45
  5. Step 5: Solve for x
    x = 7,671,427.45/2,695.12
  6. Step 6: Final answer
    x = 2,846.41

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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.