Home / 2,639.54-3,641.65-1,695.26

Finding the Fourth Proportional to 2,639.54, 3,641.65 and 1,695.26

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Solution

The fourth proportional to 2,639.54, 3,641.65 and 1,695.26 is: 2,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.54 : 3,641.65 = 1,695.26 : x
  2. Step 2: Convert to fraction form
    2,639.54/3,641.65 = 1,695.26/x
  3. Step 3: Cross multiply
    2,639.54x = 3,641.65 × 1,695.26
  4. Step 4: Simplify right side
    2,639.54x = 6,173,548.44
  5. Step 5: Solve for x
    x = 6,173,548.44/2,639.54
  6. Step 6: Final answer
    x = 2,338.87

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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.