Home / 2,887.16-4,332.16-1,791.24

Finding the Fourth Proportional to 2,887.16, 4,332.16 and 1,791.24

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Solution

The fourth proportional to 2,887.16, 4,332.16 and 1,791.24 is: 2,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.16 : 4,332.16 = 1,791.24 : x
  2. Step 2: Convert to fraction form
    2,887.16/4,332.16 = 1,791.24/x
  3. Step 3: Cross multiply
    2,887.16x = 4,332.16 × 1,791.24
  4. Step 4: Simplify right side
    2,887.16x = 7,759,938.28
  5. Step 5: Solve for x
    x = 7,759,938.28/2,887.16
  6. Step 6: Final answer
    x = 2,687.74

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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.