Home / 3,085.12-4,255.89-2,337.76

Finding the Fourth Proportional to 3,085.12, 4,255.89 and 2,337.76

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Solution

The fourth proportional to 3,085.12, 4,255.89 and 2,337.76 is: 3,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.12 : 4,255.89 = 2,337.76 : x
  2. Step 2: Convert to fraction form
    3,085.12/4,255.89 = 2,337.76/x
  3. Step 3: Cross multiply
    3,085.12x = 4,255.89 × 2,337.76
  4. Step 4: Simplify right side
    3,085.12x = 9,949,249.41
  5. Step 5: Solve for x
    x = 9,949,249.41/3,085.12
  6. Step 6: Final answer
    x = 3,224.91

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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.