Home / 1,844.18-2,771.40-1,270.70

Finding the Fourth Proportional to 1,844.18, 2,771.40 and 1,270.70

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Solution

The fourth proportional to 1,844.18, 2,771.40 and 1,270.70 is: 1,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.18 : 2,771.40 = 1,270.70 : x
  2. Step 2: Convert to fraction form
    1,844.18/2,771.40 = 1,270.70/x
  3. Step 3: Cross multiply
    1,844.18x = 2,771.40 × 1,270.70
  4. Step 4: Simplify right side
    1,844.18x = 3,521,617.98
  5. Step 5: Solve for x
    x = 3,521,617.98/1,844.18
  6. Step 6: Final answer
    x = 1,909.58

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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.