Home / 1,788.66-2,468.58-1,002.75

Finding the Fourth Proportional to 1,788.66, 2,468.58 and 1,002.75

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Solution

The fourth proportional to 1,788.66, 2,468.58 and 1,002.75 is: 1,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.66 : 2,468.58 = 1,002.75 : x
  2. Step 2: Convert to fraction form
    1,788.66/2,468.58 = 1,002.75/x
  3. Step 3: Cross multiply
    1,788.66x = 2,468.58 × 1,002.75
  4. Step 4: Simplify right side
    1,788.66x = 2,475,368.60
  5. Step 5: Solve for x
    x = 2,475,368.60/1,788.66
  6. Step 6: Final answer
    x = 1,383.92

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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.