Home / 2,221.79-3,333.33-1,875.96

Finding the Fourth Proportional to 2,221.79, 3,333.33 and 1,875.96

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Solution

The fourth proportional to 2,221.79, 3,333.33 and 1,875.96 is: 2,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.79 : 3,333.33 = 1,875.96 : x
  2. Step 2: Convert to fraction form
    2,221.79/3,333.33 = 1,875.96/x
  3. Step 3: Cross multiply
    2,221.79x = 3,333.33 × 1,875.96
  4. Step 4: Simplify right side
    2,221.79x = 6,253,193.75
  5. Step 5: Solve for x
    x = 6,253,193.75/2,221.79
  6. Step 6: Final answer
    x = 2,814.49

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1.5x scale

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.