Home / 1,474.42-2,211.69-1,403.49

Finding the Fourth Proportional to 1,474.42, 2,211.69 and 1,403.49

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Solution

The fourth proportional to 1,474.42, 2,211.69 and 1,403.49 is: 2,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.42 : 2,211.69 = 1,403.49 : x
  2. Step 2: Convert to fraction form
    1,474.42/2,211.69 = 1,403.49/x
  3. Step 3: Cross multiply
    1,474.42x = 2,211.69 × 1,403.49
  4. Step 4: Simplify right side
    1,474.42x = 3,104,073.74
  5. Step 5: Solve for x
    x = 3,104,073.74/1,474.42
  6. Step 6: Final answer
    x = 2,105.29

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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.