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Finding the Fourth Proportional to 1,830.93, 2,741.72 and 1,008.32

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Solution

The fourth proportional to 1,830.93, 2,741.72 and 1,008.32 is: 1,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.93 : 2,741.72 = 1,008.32 : x
  2. Step 2: Convert to fraction form
    1,830.93/2,741.72 = 1,008.32/x
  3. Step 3: Cross multiply
    1,830.93x = 2,741.72 × 1,008.32
  4. Step 4: Simplify right side
    1,830.93x = 2,764,512.36
  5. Step 5: Solve for x
    x = 2,764,512.36/1,830.93
  6. Step 6: Final answer
    x = 1,509.90

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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.