Home / 3,079.95-4,249.13-1,898.97

Finding the Fourth Proportional to 3,079.95, 4,249.13 and 1,898.97

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Solution

The fourth proportional to 3,079.95, 4,249.13 and 1,898.97 is: 2,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.95 : 4,249.13 = 1,898.97 : x
  2. Step 2: Convert to fraction form
    3,079.95/4,249.13 = 1,898.97/x
  3. Step 3: Cross multiply
    3,079.95x = 4,249.13 × 1,898.97
  4. Step 4: Simplify right side
    3,079.95x = 8,068,960.90
  5. Step 5: Solve for x
    x = 8,068,960.90/3,079.95
  6. Step 6: Final answer
    x = 2,619.84

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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.