Home / 2,887.26-3,984.42-1,560.96

Finding the Fourth Proportional to 2,887.26, 3,984.42 and 1,560.96

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Solution

The fourth proportional to 2,887.26, 3,984.42 and 1,560.96 is: 2,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.26 : 3,984.42 = 1,560.96 : x
  2. Step 2: Convert to fraction form
    2,887.26/3,984.42 = 1,560.96/x
  3. Step 3: Cross multiply
    2,887.26x = 3,984.42 × 1,560.96
  4. Step 4: Simplify right side
    2,887.26x = 6,219,524.13
  5. Step 5: Solve for x
    x = 6,219,524.13/2,887.26
  6. Step 6: Final answer
    x = 2,154.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.