Home / 2,084.62-2,869.45-1,887.79

Finding the Fourth Proportional to 2,084.62, 2,869.45 and 1,887.79

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Solution

The fourth proportional to 2,084.62, 2,869.45 and 1,887.79 is: 2,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.62 : 2,869.45 = 1,887.79 : x
  2. Step 2: Convert to fraction form
    2,084.62/2,869.45 = 1,887.79/x
  3. Step 3: Cross multiply
    2,084.62x = 2,869.45 × 1,887.79
  4. Step 4: Simplify right side
    2,084.62x = 5,416,919.02
  5. Step 5: Solve for x
    x = 5,416,919.02/2,084.62
  6. Step 6: Final answer
    x = 2,598.52

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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.