Home / 1,840.68-2,759.64-1,110.10

Finding the Fourth Proportional to 1,840.68, 2,759.64 and 1,110.10

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Solution

The fourth proportional to 1,840.68, 2,759.64 and 1,110.10 is: 1,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.68 : 2,759.64 = 1,110.10 : x
  2. Step 2: Convert to fraction form
    1,840.68/2,759.64 = 1,110.10/x
  3. Step 3: Cross multiply
    1,840.68x = 2,759.64 × 1,110.10
  4. Step 4: Simplify right side
    1,840.68x = 3,063,476.36
  5. Step 5: Solve for x
    x = 3,063,476.36/1,840.68
  6. Step 6: Final answer
    x = 1,664.32

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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.