Home / 2,642.41-3,964.43-1,667.17

Finding the Fourth Proportional to 2,642.41, 3,964.43 and 1,667.17

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Solution

The fourth proportional to 2,642.41, 3,964.43 and 1,667.17 is: 2,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.41 : 3,964.43 = 1,667.17 : x
  2. Step 2: Convert to fraction form
    2,642.41/3,964.43 = 1,667.17/x
  3. Step 3: Cross multiply
    2,642.41x = 3,964.43 × 1,667.17
  4. Step 4: Simplify right side
    2,642.41x = 6,609,378.76
  5. Step 5: Solve for x
    x = 6,609,378.76/2,642.41
  6. Step 6: Final answer
    x = 2,501.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.