Home / 3,256.10-4,881.40-2,638.27

Finding the Fourth Proportional to 3,256.10, 4,881.40 and 2,638.27

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Solution

The fourth proportional to 3,256.10, 4,881.40 and 2,638.27 is: 3,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.10 : 4,881.40 = 2,638.27 : x
  2. Step 2: Convert to fraction form
    3,256.10/4,881.40 = 2,638.27/x
  3. Step 3: Cross multiply
    3,256.10x = 4,881.40 × 2,638.27
  4. Step 4: Simplify right side
    3,256.10x = 12,878,450.68
  5. Step 5: Solve for x
    x = 12,878,450.68/3,256.10
  6. Step 6: Final answer
    x = 3,955.18

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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.