Home / 3,077.98-4,249.37-2,031.87

Finding the Fourth Proportional to 3,077.98, 4,249.37 and 2,031.87

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Solution

The fourth proportional to 3,077.98, 4,249.37 and 2,031.87 is: 2,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.98 : 4,249.37 = 2,031.87 : x
  2. Step 2: Convert to fraction form
    3,077.98/4,249.37 = 2,031.87/x
  3. Step 3: Cross multiply
    3,077.98x = 4,249.37 × 2,031.87
  4. Step 4: Simplify right side
    3,077.98x = 8,634,167.42
  5. Step 5: Solve for x
    x = 8,634,167.42/3,077.98
  6. Step 6: Final answer
    x = 2,805.14

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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.