Home / 3,135.88-4,326.54-2,088.12

Finding the Fourth Proportional to 3,135.88, 4,326.54 and 2,088.12

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Solution

The fourth proportional to 3,135.88, 4,326.54 and 2,088.12 is: 2,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.88 : 4,326.54 = 2,088.12 : x
  2. Step 2: Convert to fraction form
    3,135.88/4,326.54 = 2,088.12/x
  3. Step 3: Cross multiply
    3,135.88x = 4,326.54 × 2,088.12
  4. Step 4: Simplify right side
    3,135.88x = 9,034,334.70
  5. Step 5: Solve for x
    x = 9,034,334.70/3,135.88
  6. Step 6: Final answer
    x = 2,880.96

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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.