Home / 3,078.10-4,612.48-2,256.92

Finding the Fourth Proportional to 3,078.10, 4,612.48 and 2,256.92

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Solution

The fourth proportional to 3,078.10, 4,612.48 and 2,256.92 is: 3,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.10 : 4,612.48 = 2,256.92 : x
  2. Step 2: Convert to fraction form
    3,078.10/4,612.48 = 2,256.92/x
  3. Step 3: Cross multiply
    3,078.10x = 4,612.48 × 2,256.92
  4. Step 4: Simplify right side
    3,078.10x = 10,409,998.36
  5. Step 5: Solve for x
    x = 10,409,998.36/3,078.10
  6. Step 6: Final answer
    x = 3,381.96

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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.