Home / 2,827.32-4,254.78-2,558.76

Finding the Fourth Proportional to 2,827.32, 4,254.78 and 2,558.76

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Solution

The fourth proportional to 2,827.32, 4,254.78 and 2,558.76 is: 3,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.32 : 4,254.78 = 2,558.76 : x
  2. Step 2: Convert to fraction form
    2,827.32/4,254.78 = 2,558.76/x
  3. Step 3: Cross multiply
    2,827.32x = 4,254.78 × 2,558.76
  4. Step 4: Simplify right side
    2,827.32x = 10,886,960.87
  5. Step 5: Solve for x
    x = 10,886,960.87/2,827.32
  6. Step 6: Final answer
    x = 3,850.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.