Home / 1,771.11-2,444.45-1,108.53

Finding the Fourth Proportional to 1,771.11, 2,444.45 and 1,108.53

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Solution

The fourth proportional to 1,771.11, 2,444.45 and 1,108.53 is: 1,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.11 : 2,444.45 = 1,108.53 : x
  2. Step 2: Convert to fraction form
    1,771.11/2,444.45 = 1,108.53/x
  3. Step 3: Cross multiply
    1,771.11x = 2,444.45 × 1,108.53
  4. Step 4: Simplify right side
    1,771.11x = 2,709,740.62
  5. Step 5: Solve for x
    x = 2,709,740.62/1,771.11
  6. Step 6: Final answer
    x = 1,529.97

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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.