Home / 2,875.23-3,969.33-1,935.96

Finding the Fourth Proportional to 2,875.23, 3,969.33 and 1,935.96

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Solution

The fourth proportional to 2,875.23, 3,969.33 and 1,935.96 is: 2,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.23 : 3,969.33 = 1,935.96 : x
  2. Step 2: Convert to fraction form
    2,875.23/3,969.33 = 1,935.96/x
  3. Step 3: Cross multiply
    2,875.23x = 3,969.33 × 1,935.96
  4. Step 4: Simplify right side
    2,875.23x = 7,684,464.11
  5. Step 5: Solve for x
    x = 7,684,464.11/2,875.23
  6. Step 6: Final answer
    x = 2,672.64

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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.