Home / 4,268.02-6,402.51-1,190.02

Finding the Fourth Proportional to 4,268.02, 6,402.51 and 1,190.02

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Solution

The fourth proportional to 4,268.02, 6,402.51 and 1,190.02 is: 1,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.02 : 6,402.51 = 1,190.02 : x
  2. Step 2: Convert to fraction form
    4,268.02/6,402.51 = 1,190.02/x
  3. Step 3: Cross multiply
    4,268.02x = 6,402.51 × 1,190.02
  4. Step 4: Simplify right side
    4,268.02x = 7,619,114.95
  5. Step 5: Solve for x
    x = 7,619,114.95/4,268.02
  6. Step 6: Final answer
    x = 1,785.16

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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.