Home / 3,085.17-4,257.68-2,377.77

Finding the Fourth Proportional to 3,085.17, 4,257.68 and 2,377.77

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Solution

The fourth proportional to 3,085.17, 4,257.68 and 2,377.77 is: 3,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.17 : 4,257.68 = 2,377.77 : x
  2. Step 2: Convert to fraction form
    3,085.17/4,257.68 = 2,377.77/x
  3. Step 3: Cross multiply
    3,085.17x = 4,257.68 × 2,377.77
  4. Step 4: Simplify right side
    3,085.17x = 10,123,771.88
  5. Step 5: Solve for x
    x = 10,123,771.88/3,085.17
  6. Step 6: Final answer
    x = 3,281.43

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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.