Home / 1,788.47-2,468.24-1,002.57

Finding the Fourth Proportional to 1,788.47, 2,468.24 and 1,002.57

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Solution

The fourth proportional to 1,788.47, 2,468.24 and 1,002.57 is: 1,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.47 : 2,468.24 = 1,002.57 : x
  2. Step 2: Convert to fraction form
    1,788.47/2,468.24 = 1,002.57/x
  3. Step 3: Cross multiply
    1,788.47x = 2,468.24 × 1,002.57
  4. Step 4: Simplify right side
    1,788.47x = 2,474,578.36
  5. Step 5: Solve for x
    x = 2,474,578.36/1,788.47
  6. Step 6: Final answer
    x = 1,383.63

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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.