Home / 2,681.05-3,699.92-1,632.50

Finding the Fourth Proportional to 2,681.05, 3,699.92 and 1,632.50

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Solution

The fourth proportional to 2,681.05, 3,699.92 and 1,632.50 is: 2,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.05 : 3,699.92 = 1,632.50 : x
  2. Step 2: Convert to fraction form
    2,681.05/3,699.92 = 1,632.50/x
  3. Step 3: Cross multiply
    2,681.05x = 3,699.92 × 1,632.50
  4. Step 4: Simplify right side
    2,681.05x = 6,040,119.40
  5. Step 5: Solve for x
    x = 6,040,119.40/2,681.05
  6. Step 6: Final answer
    x = 2,252.89

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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.