Home / 3,256.44-4,880.34-2,686.20

Finding the Fourth Proportional to 3,256.44, 4,880.34 and 2,686.20

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Solution

The fourth proportional to 3,256.44, 4,880.34 and 2,686.20 is: 4,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.44 : 4,880.34 = 2,686.20 : x
  2. Step 2: Convert to fraction form
    3,256.44/4,880.34 = 2,686.20/x
  3. Step 3: Cross multiply
    3,256.44x = 4,880.34 × 2,686.20
  4. Step 4: Simplify right side
    3,256.44x = 13,109,569.31
  5. Step 5: Solve for x
    x = 13,109,569.31/3,256.44
  6. Step 6: Final answer
    x = 4,025.74

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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.