Home / 1,181.02-1,771.80-450.60

Finding the Fourth Proportional to 1,181.02, 1,771.80 and 450.60

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Solution

The fourth proportional to 1,181.02, 1,771.80 and 450.60 is: 676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.02 : 1,771.80 = 450.60 : x
  2. Step 2: Convert to fraction form
    1,181.02/1,771.80 = 450.60/x
  3. Step 3: Cross multiply
    1,181.02x = 1,771.80 × 450.60
  4. Step 4: Simplify right side
    1,181.02x = 798,373.08
  5. Step 5: Solve for x
    x = 798,373.08/1,181.02
  6. Step 6: Final answer
    x = 676.00

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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.