Home / 3,135.54-4,326.58-1,876.30

Finding the Fourth Proportional to 3,135.54, 4,326.58 and 1,876.30

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Solution

The fourth proportional to 3,135.54, 4,326.58 and 1,876.30 is: 2,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.54 : 4,326.58 = 1,876.30 : x
  2. Step 2: Convert to fraction form
    3,135.54/4,326.58 = 1,876.30/x
  3. Step 3: Cross multiply
    3,135.54x = 4,326.58 × 1,876.30
  4. Step 4: Simplify right side
    3,135.54x = 8,117,963.92
  5. Step 5: Solve for x
    x = 8,117,963.92/3,135.54
  6. Step 6: Final answer
    x = 2,589.02

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1.5x scale

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.