Home / 3,232.10-4,851.80-2,138.60

Finding the Fourth Proportional to 3,232.10, 4,851.80 and 2,138.60

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Solution

The fourth proportional to 3,232.10, 4,851.80 and 2,138.60 is: 3,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.10 : 4,851.80 = 2,138.60 : x
  2. Step 2: Convert to fraction form
    3,232.10/4,851.80 = 2,138.60/x
  3. Step 3: Cross multiply
    3,232.10x = 4,851.80 × 2,138.60
  4. Step 4: Simplify right side
    3,232.10x = 10,376,059.48
  5. Step 5: Solve for x
    x = 10,376,059.48/3,232.10
  6. Step 6: Final answer
    x = 3,210.32

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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.