Home / 2,072.21-3,108.45-591.55

Finding the Fourth Proportional to 2,072.21, 3,108.45 and 591.55

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Solution

The fourth proportional to 2,072.21, 3,108.45 and 591.55 is: 887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.21 : 3,108.45 = 591.55 : x
  2. Step 2: Convert to fraction form
    2,072.21/3,108.45 = 591.55/x
  3. Step 3: Cross multiply
    2,072.21x = 3,108.45 × 591.55
  4. Step 4: Simplify right side
    2,072.21x = 1,838,814.70
  5. Step 5: Solve for x
    x = 1,838,814.70/2,072.21
  6. Step 6: Final answer
    x = 887.37

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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.