Home / 3,254.56-4,886.60-2,147.28

Finding the Fourth Proportional to 3,254.56, 4,886.60 and 2,147.28

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Solution

The fourth proportional to 3,254.56, 4,886.60 and 2,147.28 is: 3,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.56 : 4,886.60 = 2,147.28 : x
  2. Step 2: Convert to fraction form
    3,254.56/4,886.60 = 2,147.28/x
  3. Step 3: Cross multiply
    3,254.56x = 4,886.60 × 2,147.28
  4. Step 4: Simplify right side
    3,254.56x = 10,492,898.45
  5. Step 5: Solve for x
    x = 10,492,898.45/3,254.56
  6. Step 6: Final answer
    x = 3,224.06

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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.