Home / 2,887.72-4,330.74-1,132.60

Finding the Fourth Proportional to 2,887.72, 4,330.74 and 1,132.60

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Solution

The fourth proportional to 2,887.72, 4,330.74 and 1,132.60 is: 1,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.72 : 4,330.74 = 1,132.60 : x
  2. Step 2: Convert to fraction form
    2,887.72/4,330.74 = 1,132.60/x
  3. Step 3: Cross multiply
    2,887.72x = 4,330.74 × 1,132.60
  4. Step 4: Simplify right side
    2,887.72x = 4,904,996.12
  5. Step 5: Solve for x
    x = 4,904,996.12/2,887.72
  6. Step 6: Final answer
    x = 1,698.57

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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.