Home / 3,086.64-4,256.28-2,455.92

Finding the Fourth Proportional to 3,086.64, 4,256.28 and 2,455.92

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Solution

The fourth proportional to 3,086.64, 4,256.28 and 2,455.92 is: 3,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.64 : 4,256.28 = 2,455.92 : x
  2. Step 2: Convert to fraction form
    3,086.64/4,256.28 = 2,455.92/x
  3. Step 3: Cross multiply
    3,086.64x = 4,256.28 × 2,455.92
  4. Step 4: Simplify right side
    3,086.64x = 10,453,083.18
  5. Step 5: Solve for x
    x = 10,453,083.18/3,086.64
  6. Step 6: Final answer
    x = 3,386.56

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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.