Home / 3,133.98-4,326.48-1,876.05

Finding the Fourth Proportional to 3,133.98, 4,326.48 and 1,876.05

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Solution

The fourth proportional to 3,133.98, 4,326.48 and 1,876.05 is: 2,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.98 : 4,326.48 = 1,876.05 : x
  2. Step 2: Convert to fraction form
    3,133.98/4,326.48 = 1,876.05/x
  3. Step 3: Cross multiply
    3,133.98x = 4,326.48 × 1,876.05
  4. Step 4: Simplify right side
    3,133.98x = 8,116,692.80
  5. Step 5: Solve for x
    x = 8,116,692.80/3,133.98
  6. Step 6: Final answer
    x = 2,589.90

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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.