Home / 1,372.86-2,057.55-591.98

Finding the Fourth Proportional to 1,372.86, 2,057.55 and 591.98

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Solution

The fourth proportional to 1,372.86, 2,057.55 and 591.98 is: 887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.86 : 2,057.55 = 591.98 : x
  2. Step 2: Convert to fraction form
    1,372.86/2,057.55 = 591.98/x
  3. Step 3: Cross multiply
    1,372.86x = 2,057.55 × 591.98
  4. Step 4: Simplify right side
    1,372.86x = 1,218,018.16
  5. Step 5: Solve for x
    x = 1,218,018.16/1,372.86
  6. Step 6: Final answer
    x = 887.21

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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.