Home / 4,190.02-6,276.81-2,431.33

Finding the Fourth Proportional to 4,190.02, 6,276.81 and 2,431.33

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Solution

The fourth proportional to 4,190.02, 6,276.81 and 2,431.33 is: 3,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.02 : 6,276.81 = 2,431.33 : x
  2. Step 2: Convert to fraction form
    4,190.02/6,276.81 = 2,431.33/x
  3. Step 3: Cross multiply
    4,190.02x = 6,276.81 × 2,431.33
  4. Step 4: Simplify right side
    4,190.02x = 15,260,996.46
  5. Step 5: Solve for x
    x = 15,260,996.46/4,190.02
  6. Step 6: Final answer
    x = 3,642.23

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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.