Home / 1,830.85-2,529.44-1,201.14

Finding the Fourth Proportional to 1,830.85, 2,529.44 and 1,201.14

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Solution

The fourth proportional to 1,830.85, 2,529.44 and 1,201.14 is: 1,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.85 : 2,529.44 = 1,201.14 : x
  2. Step 2: Convert to fraction form
    1,830.85/2,529.44 = 1,201.14/x
  3. Step 3: Cross multiply
    1,830.85x = 2,529.44 × 1,201.14
  4. Step 4: Simplify right side
    1,830.85x = 3,038,211.56
  5. Step 5: Solve for x
    x = 3,038,211.56/1,830.85
  6. Step 6: Final answer
    x = 1,659.45

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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.