Home / 1,840.62-2,759.31-1,429.14

Finding the Fourth Proportional to 1,840.62, 2,759.31 and 1,429.14

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Solution

The fourth proportional to 1,840.62, 2,759.31 and 1,429.14 is: 2,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.62 : 2,759.31 = 1,429.14 : x
  2. Step 2: Convert to fraction form
    1,840.62/2,759.31 = 1,429.14/x
  3. Step 3: Cross multiply
    1,840.62x = 2,759.31 × 1,429.14
  4. Step 4: Simplify right side
    1,840.62x = 3,943,440.29
  5. Step 5: Solve for x
    x = 3,943,440.29/1,840.62
  6. Step 6: Final answer
    x = 2,142.45

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1.5x scale

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.