Home / 3,135.51-4,326.55-1,808.97

Finding the Fourth Proportional to 3,135.51, 4,326.55 and 1,808.97

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Solution

The fourth proportional to 3,135.51, 4,326.55 and 1,808.97 is: 2,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.51 : 4,326.55 = 1,808.97 : x
  2. Step 2: Convert to fraction form
    3,135.51/4,326.55 = 1,808.97/x
  3. Step 3: Cross multiply
    3,135.51x = 4,326.55 × 1,808.97
  4. Step 4: Simplify right side
    3,135.51x = 7,826,599.15
  5. Step 5: Solve for x
    x = 7,826,599.15/3,135.51
  6. Step 6: Final answer
    x = 2,496.12

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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.