Home / 1,830.31-2,740.08-1,134.75

Finding the Fourth Proportional to 1,830.31, 2,740.08 and 1,134.75

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Solution

The fourth proportional to 1,830.31, 2,740.08 and 1,134.75 is: 1,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.31 : 2,740.08 = 1,134.75 : x
  2. Step 2: Convert to fraction form
    1,830.31/2,740.08 = 1,134.75/x
  3. Step 3: Cross multiply
    1,830.31x = 2,740.08 × 1,134.75
  4. Step 4: Simplify right side
    1,830.31x = 3,109,299.76
  5. Step 5: Solve for x
    x = 3,109,299.76/1,830.31
  6. Step 6: Final answer
    x = 1,698.78

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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.